AOJ Problems

Problem ID Title Solved
0000 QQ 12570
0001 List of Top 3 Hills 9191
0002 Digit Number 7491
0003 Is it a Right Triangle? 7123
0004 Simultaneous Equation 4685
0005 GCD and LCM 5178
0006 Reverse Sequence 5492
0007 Debt Hell 5022
0008 Sum of 4 Integers 4786
0009 Prime Number 4178
0010 Circumscribed Circle of a Triangle 1946
0011 Drawing Lots 3828
0012 A Point in a Triangle 1903
0013 Switching Railroad Cars 3199
0014 Integral 2947
0015 National Budget 1978
0016 Treasure Hunt 1945
0017 Caesar Cipher 1801
0018 Sorting Five Numbers 2831
0019 Factorial 2898
0020 Capitalize 2593
0021 Parallelism 1927
0022 Maximum Sum Sequence 1898
0023 Circles Intersection 1523
0024 Physical Experiments 1915
0025 Hit and Blow 2397
0026 Dropping Ink 1762
0027 What day is today? 2137
0028 Mode Value 2277
0029 English Sentence 1913
0030 Sum of Integers 1690
0031 Weight 1818
0032 Plastic Board 1786
0033 Ball 2398
0034 Railway Lines 1398
0035 Is it Convex? 1000
0036 A Figure on Surface 1197
0037 Path on a Grid 620
0038 Poker Hand 1155
0039 Roman Figure 1152
0040 Affine Cipher 763
0041 Expression 571
0042 A Thief 1113
0043 Puzzle 633
0044 Prime Number II 1270
0045 Sum and Average 1404
0046 Differential 1786
0047 Cup Game 1472
0048 Class 1461
0049 Blood Groups 1455
0050 Apple and Peach 1276
0051 Differential II 1342
0052 Factorial II 1228
0053 Sum of Prime Numbers 1158
0054 Sum of Nth decimal places 927
0055 Sequence 1224
0056 Goldbach's Conjecture 954
0057 The Number of Area 1269
0058 Orthogonal 824
0059 Intersection of Rectangles 744
0060 Card Game 988
0061 Rank Checker 872
0062 What is the Bottommost? 1135
0063 Palindrome 1219
0064 Secret Number 970
0065 Trading 705
0066 Tic Tac Toe 909
0067 The Number of Island 1083
0068 Enclose Pins with a Rubber Band 491
0069 Drawing Lots II 431
0070 Combination of Number Sequences 494
0071 Bombs Chain 878
0072 Carden Lantern 612
0073 Surface Area of Quadrangular Pyramid 1208
0074 Videotape 863
0075 BMI 1324
0076 Treasure Hunt II 624
0077 Run Length 1178
0078 Magic Square 764
0079 Area of Polygon 872
0080 Third Root 759
0081 A Symmetric Point 571
0082 Flying Jenny 516
0083 Era Name Transformation 815
0084 Search Engine 751
0085 Joseph's Potato 779
0086 Patrol 656
0087 Strange Mathematical Expression 693
0088 The Code A Doctor Loved 493
0089 The Shortest Path on A Rhombic Path 549
0090 Overlaps of Seals 338
0091 Blur 187
0092 Square Searching 588
0093 Leap Year 1203
0094 Calculation of Area 1078
0095 Surf Smelt Fishing Contest 651
0096 Sum of 4 Integers II 479
0097 Sum of Integers II 351
0098 Maximum Sum Sequence II 350
0099 Surf Smelt Fishing Contest II 402
0100 Sale Result 1322
0101 Aizu PR 1458
0102 Matrix-like Computation 1454
0103 Baseball Simulation 1649
0104 Magical Tiles 1198
0105 Book Index 1061
0106 Discounts of Buckwheat 695
0107 Carry a Cheese 1004
0108 Operation of Frequency of Appearance 804
0109 Smart Calculator 795
0110 Alphametic 527
0111 Doctor's Memorable Codes 410
0112 A Milk Shop 764
0113 Period 409
0114 Electro-Fly 514
0115 Starship UAZ Advance 81
0116 Rectangular Searching 360
0117 A reward for a Carpenter 893
0118 Property Distribution 1407
0119 Taro's Obsession 270
0120 Patisserie 329
0121 Seven Puzzle 734
0122 Summer of Pyonkichi 407
0123 Speed Skating Badge Test 757
0124 League Match Score Sheet 601
0125 Day Count 525
0126 Puzzle 428
0127 Pocket Pager Input 531
0128 Abacus 476
0129 Hide-and-Seek Supporting System 257
0130 Train 547
0131 Doctor's Strange Particles 240
0132 Jigsaw Puzzle 62
0133 Rotation of a Pattern 593
0134 Exit Survey 688
0135 Clock Short Hand and Long Hand 457
0136 Frequency Distribution of Height 967
0137 Middle-Square Method 644
0138 Track and Field Competition 667
0139 Snakes 449
0140 Bus Line 430
0141 Spiral Pattern 329
0142 Nature of Prime Numbers 283
0143 Altair and Vega 292
0144 Packet Transportation 419
0145 Cards 239
0146 Lupin The 4th 234
0147 Fukushimaken 232
0148 Candy and Class Flag 793
0149 Eye Test 826
0150 Twin Prime 845
0151 Grid 379
0152 Bowling 305
0153 Triangle and Circle 151
0154 Sum of Cards 341
0155 Spider Jin 323
0156 Moats around the Castle 229
0157 Russian Dolls 420
0158 Collatz's Problem 820
0159 The Best Body 513
0160 Delivery Fee 571
0161 Sport Meet 597
0162 Hamming Numbers 546
0163 Highway Toll 288
0164 Ohajiki Game 488
0165 Lottery 215
0166 Area of Polygon 273
0167 Bubble Sort 705
0168 Kannondou 1237
0169 Blackjack 387
0170 Lunch 254
0171 Dice Puzzle 101
0172 Doctor's Research Rooms 99
0173 Haunted House 761
0174 Badminton 593
0175 A King in Hawaii 640
0176 What Color? 434
0177 Distance Between Two Cities 238
0178 TETORIS 188
0179 Mysterious Worm 466
0180 Stellar Performance of the Debunkey Family 492
0181 Persistence 372
0182 Beaker 50
0183 Black-and-White 417
0184 Tsuruga Castle 704
0185 Goldbach's Conjecture II 478
0186 Aizu Chicken 318
0187 Stoning Fortune 149
0188 Search 480
0189 Convenient Location 913
0190 Eleven Puzzle 136
0191 Baby Tree 318
0192 Tsuruga Parking 88
0193 Deven-Eleven 133
0194 Byakko Delivery Company 67
0195 What is the Most Popular Shop in Tokaichi? 733
0196 Baseball Championship 506
0197 Greatest Common Divisor: Euclidean Algorithm 756
0198 Trouble in Shinagawa's Artifacts 226
0199 Chairs Where Demanding People Sit 221
0200 Traveling Alone: One-way Ticket of Youth 976
0201 Wrought Gold Master 539
0202 At Boss's Expense 582
0203 A New Plan of Aizu Ski Resort 460
0204 UFO Shooting Down Operation 99
0205 Rock, Paper, Scissors 796
0206 Next Trip 973
0207 Block 635
0208 Room Numbers of a Hospital 665
0209 Scene in a Picture 275
0210 The Squares 153
0211 Jogging 245
0212 Highway Express Bus 454
0213 Subdivide The Land 127
0214 Autumnal Illumination 100
0215 Pachimon Creature 196
0216 Cutting Down Water Bills 925
0217 Walking in the Hospital 842
0218 Dividing Students 985
0219 A Popular Ice-cream Shop 941
0220 Binary Digit A Doctor Loved 528
0221 FizzBuzz 435
0222 Prime Quadruplet 549
0223 Stray Twins 359
0224 Bicycle Diet 151
0225 Kobutanukitsuneko 266
0226 Hit and Blow 756
0227 Thanksgiving 644
0228 Seven Segments 538
0229 Big Hit ! 469
0230 Ninja Climbing 226
0231 Dangerous Bridge 354
0232 Life Game 223
0233 Book Arrangement 202
0234 Aizu Buried Treasure 117
0235 Sergeant Rian 204
0236 Alien Messages 67
0237 The Last Door 42
0238 Time to Study 790
0239 Calorie Counting 474
0240 Interest Rates 489
0241 Quaternion Multiplication 374
0242 Input Candidates 300
0243 Filling Game 141
0244 Hot Spring Trip 211
0245 Time Sale 88
0246 Bara-Bara Manju 64
0247 Ice Maze 77
0251 Magic Square 43
0253 Ant Nest 31
0254 Scone 50
0256 Points for a Perfect Scorer 912
0257 Railway Ticket 789
0258 Kitchen Garden 406
0259 All Numbers Lead to 6174 537
0260 Salary for a Plumber 345
0261 Mayan Crucial Prediction 146
0262 Making Sugoroku 155
0263 Beat Panel 188
0264 Finite Field Calculator 101
0265 Cats Going Straight 27
0266 Aka-beko and 40 Thieves 359
0267 Triangle of Blocks 229
0268 Kongo Type 168
0269 East Wind 84
0270 Modular Query 213
0271 Izua Dictionary 101
0272 The Lonely Girl's Lie 102
0273 Cats Going Straight II 49
0274 Arts and Crafts 28
0275 Railroad 34
0276 Temperature Difference 920
0277 Ticket Sales 867
0278 Admission Fee 640
0279 A Pair of Prizes 581
0280 The Outcome of Bonze 499
0281 Formation 527
0282 Programming Contest 244
0283 Study Session 96
0284 Happy End Problem 34
0285 Tennis 164
0286 Computation of Salary 112
0287 Jinkoki 136
0288 Knocker of the Gigas Cedar 96
0289 Infinite Express 118
0290 Microorganism Power Generation 76
0291 Mystery of an Ancient Ruin 38
0292 Wall 31
0293 Algorithm Exam 21
0294 Catch a Thief 15
0295 The Number of Chairs 786
0296 A Fat Wallet 716
0297 The Last One is the Best 684
0298 Bus Timetable 406
0299 Railroad II 199
0300 Floppy Cube 230
0301 Baton Relay Game 198
0302 Star Watching 114
0303 Mighty Man 84
0304 School Cafeteria 28
0305 Yuekis' Audio Room 194
0306 Symmetric Ternary Number 129
0307 Nisshinkan Marathon Club 79
0308 Deadlock 79
0309 New Drug Development 53
0310 Frame 62
0311 Kaguya 21
0312 Net Cafe 49
0313 Unknown Germ 18
0314 The Kingdom of Akabeko 12
0315 The Number of Participants 356
0316 Fishing Competition 282
0317 Frog Going Straight 384
0318 Secret Investigation 222
0319 Programming Contest 238
0320 Quality Management 90
0321 Investigation of Club Activities 91
0322 Slates 30
0323 Ruins 39
0324 Downhill Race 16
0325 Cuboid 78
0326 Related Products 110
0327 Alphametic 82
0328 Metal Recycling 61
0329 Bilateral Trade 68
0330 Halting Problem 25
0331 Scheduler 18
0332 Disappearing Sequence 28
0333 Line Segment Arrangement 11
0334 Amidakuji 13
0335 Word 401
0336 Sunrise and Sunset 311
0337 Japanese Calendar 279
0338 New Town 278
0339 Geometric Data 221
0340 Pancake 152
0341 Repeated Spell 111
0342 Road Planning 43
0343 Programming Contest II 44
0344 Game Strategy 21
0345 Rectangle 246
0346 Rectangle Made with Bars 218
0347 Maximization of Relational Expression 134
0348 Sevens 89
0349 Cyclic Sugoroku 71
0350 Irreducible Fractionalization 53
0351 Quiet Town 80
0352 Forecast of Forces 64
0353 Sort 38
0354 Ant 25
0355 String Game 14
0356 Evening 12
0357 Handsel 477
0358 Shopping 393
0359 Day of Week 377
0360 Reservation System 306
0361 Wire 244
0362 Trampoline 192
0363 Loading 73
0364 Dungeon 86
0365 Swapping Characters 55
0366 Road Improvement 36
0367 Charging System for Network 23
0368 Flag 159
0369 Bange Hills Tower 109
0370 Age Difference 67
0371 Electronic Metronome 77
0372 Three Meals 47
0373 Checkered Pattern 34
0374 Paper Fortune 28
0375 Lake Survey 18
0376 Lottery Box 17
0377 Party 18
0378 Aerial Photo 10
0379 Iron Bars 5
0380 Celsius and Fahrenheit 141
0381 Red Dragonfly 134
0382 Cake Party 100
0383 Heat Strokes 81
0384 Dudeney Number 49
0385 Bozo Sort 45
0386 Transporter 39
0387 Taxi 34
0388 Points on a Straight Line 19
0389 Dungeon 2 12
0390 Disk 9
0391 Gathering 9
0392 Party Dress 32
0393 Design of a Mansion 33
0394 Pilling Blocks 23
0395 A Round Table for Sages 22
0396 Treasure Map 17
0397 Common-Prime Sort 13
0398 Beautiful Sequence 7
0399 Payroll 1
0400 Maze and Items 3
0401 Playing With Stones 7
0402 Kth XOR 3
0403 Road Construction 2
0500 Card Game 2502
0501 Data Conversion 1602
0502 Dice 1379
0503 Cup 339
0504 Card Game II 95
0505 Questionnaire 891
0506 String 729
0507 Square 517
0508 String With Rings 183
0509 Sheets 116
0510 Score 1852
0511 Who Are The Student Yet To Submit 1475
0512 Caesar Cipher 1228
0513 Shuffle The Cards 887
0514 Quality Checking 662
0515 School Road 1064
0516 Maximum Sum 900
0517 Longest Steps 569
0518 The Oldest Site 405
0519 Worst Reporter 280
0520 Lightest Mobile 279
0521 Change 1466
0522 JOI and IOI 1113
0523 Card Game 676
0524 Searching Constellation 576
0525 Osenbei 808
0526 Boat Travel 565
0527 Setting Go Stones 427
0528 Common Sub-String 441
0529 Darts 551
0530 Pyon-Pyon River Crossing 290
0531 Paint Color 351
0532 Time Card 1141
0533 Contest 1240
0534 Chain 354
0535 Crossing Black Ice 530
0536 Shuffle 172
0537 Bingo 260
0538 IOIOI 540
0539 Pizza 485
0540 Amidakuji 235
0541 Walk 297
0542 Authentication Level 212
0543 Receipt 1080
0544 Sugoroku 828
0545 Party 715
0546 Lining up the cards 481
0547 Commute routes 456
0548 Reindeer with no sense of direction 152
0549 A Traveler 442
0550 Dividing Snacks 231
0551 Icicles 351
0552 Exposition 86
0553 Dungeon 74
0554 Total Time 1254
0555 Ring 918
0556 Tile 678
0557 A First Grader 869
0558 Cheese 1136
0559 JOI Flag 108
0560 Planetary Exploration 483
0561 Books 326
0562 Shopping in JOI Kingdom 260
0563 Walking Santa 156
0564 Bug Party 152
0565 Lunch 1276
0566 Soccer 892
0567 Best Pizza 820
0568 Pasta 511
0569 Illumination 319
0570 Zig-Zag Numbers 150
0571 JJOOII 468
0572 Card Game is Fun 343
0573 Night Market 280
0574 Nails 216
0575 Festivals in JOI Kingdom 117
0576 Homework 1181
0577 Unique number 976
0578 Signboard 592
0579 Hot days 483
0580 Fish 237
0581 Gifts 65
0582 Triangle Types 612
0583 Common Divisors 608
0584 Two Number Cards 291
0585 Nearest Two Points 164
0586 Palindrome 69
0587 Tunnel 403
0588 Simple Calculator 468
0589 Production 325
0590 Available Areas 175
0591 Beads 85
0592 Average Score 986
0593 Vote 712
0594 Super Metropolis 568
0595 Schedule 340
0596 Taxis 222
0597 Xiao Long Bao 60
0598 JOI Emblem 245
0599 IOI Manju 228
0600 Baumkuchen 235
0601 Sugar Glider 145
0602 Cutting 24
0603 Illumination 171
0604 Take the 'IOI' train 136
0605 Modern Mansion 75
0606 Tower of JOIOI 43
0607 Bubble Sort 19
0608 Water Rate 750
0609 Christmas Party 501
0610 Weather Forecaster 467
0611 Silk Road 355
0612 Sandcastle 173
0613 Treasures 59
0614 Railroad Trip 228
0615 Cake 2 174
0616 JOI Park 138
0617 Ball 53
0618 Rampart 34
0619 Selecting Subjects 474
0620 Swapping Bibs 304
0621 Russian Flag 264
0622 Walking in JOI Kingdom 161
0623 Zombie Island 129
0624 Food stalls 39
0625 Oranges 112
0626 Collecting Stamps 2 97
0627 Train Fare 62
0628 Territory 9
0629 Geologic Fault 15
0630 Microwave 394
0631 Point Card 278
0632 Refreshment Area 229
0633 Plush Toys 116
0634 Ridge 101
0635 Snake JOI 66
0636 Foehn Phenomena 90
0637 Semiexpress 40
0638 Kingdom of JOIOI 32
0639 Soccer 11
0640 Rope 12
0641 Pencils 362
0642 Sugoroku 239
0643 Trunk Road 157
0644 Mizuyokan 42
0645 Deforestation 45
0646 LthKthNumber 27
0647 Stove 93
0648 Art Exhibition 54
0649 Dango Maker 17
0650 Commuter Pass 25
0651 Snake Escaping 9
1000 A + B Problem 1986
1001 Binary Tree Intersection And Union 274
1002 Extraordinary Girl I 162
1003 Extraordinary Girl II 255
1004 Pair of Primes 578
1005 Advanced Algorithm Class 321
1006 Boring Commercials 174
1007 JPEG Compression 346
1008 What Color Is The Universe? 268
1009 Greatest Common Divisor 738
1010 Dominoes Arrangement 125
1011 Finding the Largest Carbon Compound Given Its Long 124
1012 Operations with Finite Sets 107
1013 Combinatorial Topology 2
1014 Computation of Minimum Length of Pipeline 121
1015 Dominating Set 58
1016 Fibonacci Sets 312
1017 Riffle Shuffle 187
1018 Cheating on ICPC 328
1019 Vampirish Night 682
1020 Cleaning Robot 360
1021 Emacs-like Editor 167
1022 Indian Puzzle 35
1023 Amazing Graze 129
1024 Cleaning Robot 2.0 24
1025 Building Water Ways 10
1026 Hedro's Hexahedron 45
1027 A Piece of Cake 550
1028 ICPC: Ideal Coin Payment and Change 185
1029 Traffic Analysis 461
1030 Cubes Without Holes 253
1031 Simple GUI Application 140
1032 Course Planning for Lazy Students 106
1033 Kuru-Kuru Robot 39
1034 Line Puzzle 100
1035 Sleeping Cats 318
1036 Monster Factory 223
1037 Midnight Teatime 139
1038 Dr. Nakamura's Lab. 65
1039 Frisbee Dogs 48
1040 Chocolate with Heart Marks 68
1041 Kyudo: A Japanese Art of Archery 811
1042 Yes, I have a number 498
1043 Selecting Teams Advanced to Regional 294
1044 CamelCase 280
1045 Split Up! 374
1046 Ghost Buster! 161
1047 Crop Circle 59
1048 Provident Housewife 54
1049 Building Houses 42
1050 The Last Dungeon 26
1051 Citation Format 465
1052 Old Bridges 505
1053 Accelerated Railgun 149
1054 Distorted Love 178
1055 Huge Family 100
1056 Ben Toh 218
1057 Rolling Dice 138
1058 Winter Bells 64
1059 Mysterious Onslaught 51
1060 No Story 121
1061 Seventh Color 0
1062 It's our delight!! 320
1063 Watchin' TVA 139
1064 Yanagi's Comic 75
1065 The House of Huge Family 79
1066 Legend of Storia 33
1067 Cutting a Chocolate 70
1068 School of Killifish 100
1069 Squid Multiplication 110
1070 FIMO sequence 31
1071 BD Shelf 3
1072 Rearranging Seats 410
1073 The Tower 10
1074 Popularity Estimation 227
1075 High and Low Cube 71
1076 Time Manipulation 108
1077 The Great Summer Contest 162
1078 SAT-EN-3 117
1079 Cosmic Market 94
1080 Everything Starts With Your Vote 47
1081 World Domination 28
1082 11224111122411 68
1083 The Incubator 81
1084 K Cards 175
1085 Spellcasters 270
1086 Live Schedule 85
1087 Dimensional Analysis 52
1088 School Excursion 49
1089 Strawberry Cake 52
1090 Sports Days 11
1091 KND is So Sexy 190
1092 Make KND So Fat 71
1093 KND Runs for Sweets 45
1094 KND Warp 17
1095 KND Factory 27
1096 Wall Breaker KND 3
1100 Area of Polygons 520
1101 A Simple Offline Text Editor 130
1102 Calculation of Expressions 129
1103 Board Arrangements for Concentration Games 144
1104 Where's Your Robot? 309
1105 Unable Count 230
1106 Factorization of Quadratic Formula 141
1107 Spiral Footrace 116
1108 A Long Ride on a Railway 87
1109 Fermat's Last Theorem 266
1110 Patience 141
1111 Cyber Guardian 125
1112 Strange Key 28
1113 File Compression 0
1114 Get a Rectangular Field 214
1115 Multi-column List 91
1116 Jigsaw Puzzles for Computers 97
1117 Missing Numbers 91
1118 Nets of Dice 44
1119 Exploring Caves 221
1120 Pile Up! 77
1121 Kanglish:Analysis on Artificial Language 100
1122 What is the Number in my Mind ? 51
1123 Enclosing Circles 0
1124 When Can We Meet? 733
1125 Get Many Persimmon Trees 666
1126 The Secret Number 438
1127 Building a Space Station 322
1128 Square Carpets 62
1129 Hanafuda Shuffle 1902
1130 Red and Black 1783
1131 Unit Fraction Partition 477
1132 Circle and Points 494
1133 Water Tank 105
1134 Name the Crossing 101
1135 Ohgas' Fortune 657
1136 Polygonal Line Search 636
1137 Numeral System 1015
1138 Traveling by Stagecoach 430
1139 Earth Observation with a Mobile Robot Team 38
1140 Cleaning Robot 391
1141 Dirichlet's Theorem on Arithmetic Progressions 1172
1142 Organize Your Train part II 1157
1143 Hexerpents of Hexwamp 72
1144 Curling 2.0 682
1145 The Genome Database of All Space Life 248
1146 Secrets in Shadows 32
1147 ICPC Score Totalizer Software 2462
1148 Analyzing Login/Logout Records 733
1149 Cut the Cake 534
1150 Cliff Climbing 406
1151 Twirl Around 31
1152 Dr. Podboq or: How We Became Asymmetric 69
1153 Equal Total Scores 1413
1154 Monday-Saturday Prime Factors 835
1155 How can I satisfy thee? Let me count the ways... 596
1156 Twirling Robot 481
1157 Roll-A-Big-Ball 273
1158 ICPC: Intelligent Congruent Partition of Chocolate 45
1159 Next Mayor 1471
1160 How Many Islands? 1589
1161 Verbal Arithmetic 280
1162 Discrete Speed 358
1163 Cards 527
1164 Tighten Up! 29
1165 Pablo Squarson's Headache 1193
1166 Amazing Mazes 965
1167 Pollock's conjecture 877
1168 Off Balance 245
1169 The Most Powerful Spell 219
1170 Old Memories 23
1171 Laser Beam Reflections 93
1172 Chebyshev's Theorem 1349
1173 The Balance of the World 1238
1174 Identically Colored Panels Connection 558
1175 And Then. How Many Are There? 366
1176 Planning Rolling Blackouts 314
1177 Watchdog Corporation 41
1178 A Broken Door 109
1179 Millennium 1231
1180 Recurring Decimals 926
1181 Biased Dice 389
1182 Railway Connection 305
1183 Chain-Confined Path 228
1184 Generic Poker 33
1185 Patisserie ACM 51
1186 Integral Rectangles 950
1187 ICPC Ranking 694
1188 Hierarchical Democracy 560
1189 Prime Caves 357
1190 Anchored Balloon 169
1191 Rotate and Rewrite 34
1192 Tax Rate Changed 1091
1193 Chain Disappearance Puzzle 665
1194 Vampire 353
1195 Encryption System 248
1196 Bridge Removal 248
1197 A Die Maker 48
1198 Don't Cross the Circles! 37
1200 Goldbach's Conjecture 427
1201 Lattice Practices 79
1202 Mobile Phone Coverage 105
1203 Napoleon's Grumble 100
1204 Pipeline Scheduling 66
1205 Triangle Partition 0
1206 BUT We Need a Diagram 11
1207 Digital Racing Circuil 8
1208 Rational Irrationals 112
1209 Square Coins 260
1210 Die Game 149
1211 Trapezoids 81
1212 Mirror Illusion 52
1213 Heavenly Jewels 58
1214 Walking Ant 99
1215 Co-occurrence Search 61
1216 Lost in Space 85
1217 Family Tree 104
1218 Push!! 90
1219 Pump up Batteries 52
1220 The Devil of Gravity 7
1221 Numoeba 15
1222 Telescope 58
1223 Ether Geometry 0
1224 Starship Hakodate-maru 139
1225 e-market 55
1226 Fishnet 63
1227 77377 72
1228 Beehives 46
1229 Young, Poor and Busy 33
1230 Nim 66
1231 Super Star 81
1232 Calling Extraterrestrial Intelligence Again 362
1233 Equals are Equals 64
1234 GIGA Universe Cup 38
1235 Life Line 140
1236 Map of Ninja House 122
1237 Shredding Company 235
1238 True Liars 101
1239 Viva Confetti 9
1240 Unreliable Message 488
1241 Lagrange's Four-Square Theorem 389
1242 Area of Polygons 69
1243 Weather Forecast 122
1244 Molecular Formula 207
1245 Gap 94
1246 Concert Hall Scheduling 144
1247 Monster Trap 15
1248 The Balance 233
1249 Make a Sequence 289
1250 Leaky Cryptography 201
1251 Pathological Paths 107
1252 Confusing Login Names 85
1253 Dice Puzzle 82
1254 Color the Map 85
1255 Inherit the Spheres 28
1256 Crossing Prisms 11
1257 Sum of Consecutive prime Numbers 296
1258 Book Replacement 70
1259 Colored Cubes 62
1260 Organize Your Train 28
1261 Mobile Computing 58
1262 Atomic Car Race 75
1263 Network Mess 35
1264 Bingo 14
1265 Shy Polygons 8
1266 How I Wonder What You Are! 88
1267 How I Mathematician Wonder What You Are! 71
1268 Cubic Eight-Puzzle 41
1269 Sum of Different Primes 159
1270 Manhattan Wiring 17
1271 Power Calculus 47
1272 Polygons on the Grid 15
1273 The Best Name for Your Baby 6
1274 Enjoyable Commutation 9
1275 And Then There Was One 437
1276 Prime Gap 585
1277 Minimal Backgammon 387
1278 Lowest Pyramid 18
1279 Geometric Map 63
1280 Slim Span 271
1281 The Morning after Halloween 82
1282 Bug Hunt 164
1283 Most Distant Point from the Sea 132
1284 The Teacher's Side of Math 31
1285 Grey Area 406
1286 Expected Allowance 319
1287 Stopped Watches 115
1288 Digits on the Floor 67
1289 Spherical Mirrors 85
1290 Traveling Cube 111
1291 Search of Concatenated Strings 116
1292 Top Spinning 26
1293 Common Polynomial 39
1294 Zigzag 31
1295 Cubist Artwork 414
1296 Repeated Substitution with Sed 274
1297 Swimming Jam 127
1298 Separate Points 171
1299 Origami Through-Hole 11
1300 Chemist's Math 57
1301 Malfatti Circles 95
1302 Twenty Questions 174
1303 Hobby on Rails 10
1304 Infected Land 123
1305 Membership Management 347
1306 Balloon Collecting 266
1307 Towns along a Highway 86
1308 Awkward Lights 128
1309 The Two Men of the Japanese Alps 92
1310 Find the Multiples 130
1311 Test Case Tweaking 163
1312 Where's Wally 106
1313 Intersection of Two Prisms 115
1314 Matrix Calculator 88
1315 Gift from the Goddess of Programming 250
1316 The Sorcerer's Donut 284
1317 Weaker than Planned 56
1318 Long Distance Taxi 180
1319 Driving an Icosahedral Rover 40
1320 City Merger 220
1321 Captain Q's Treasure 35
1322 ASCII Expression 66
1323 Encircling Circles 23
1324 Round Trip 53
1325 Ginkgo Numbers 251
1326 Stylish 171
1327 One-Dimensional Cellular Automaton 251
1328 Find the Outlier 174
1329 Sliding Block Puzzle 61
1330 Never Wait for Weights 247
1331 Let There Be Light 102
1332 Company Organization 21
1333 Beautiful Spacing 80
1334 Cubic Colonies 10
1335 Equal Sum Sets 436
1336 The Last Ant 229
1337 Count the Regions 177
1338 Clock Hands 56
1339 Dragon's Cruller 86
1340 Directional Resemblance 30
1341 Longest Chain 73
1342 Don't Burst the Balloon 40
1343 Hidden Tree 52
1344 C(O|W|A*RD*|S)* CROSSWORD Puzzle 2
1345 Bit String Reordering 231
1346 Miscalculation 287
1347 Shopping 214
1348 Space Golf 77
1349 Automotive Navigation 54
1350 There is No Alternative 146
1351 Flipping Parentheses 82
1352 Cornering at Poles 20
1353 Sweet War 29
1354 Exhibition 11
1355 L Jumps 10
1356 Decimal Sequences 294
1357 Squeeze the Cylinders 153
1358 Sibling Rivalry 75
1359 Wall Clocks 68
1360 Bringing Order to Disorder 48
1361 Deadlock Detection 35
1362 Do Geese See God? 41
1363 Rotating Cutter Bits 9
1364 Routing a Marathon Race 21
1365 Post Office Investigation 4
1366 Min-Max Distance Game 9
1367 Rearranging a Sequence 173
1368 Quality of Check Digits 125
1369 Distribution Center 112
1370 Hidden Anagrams 92
1371 Infallibly Crack Perplexing Cryptarithm 43
1372 Three Kingdoms of Bourdelot 14
1373 Placing Medals on a Binary Tree 66
1374 Animal Companion in Maze 12
1375 Skinny Polygon 21
1376 Cover the Polygon with Your Disk 16
1377 Black and White Boxes 5
1378 Secret of Chocolate Poles 100
1379 Parallel Lines 53
1380 Medical Checkup 47
1381 Making Perimeter of the Convex Hull Shortest 5
1382 Black or White 23
1383 Pizza Delivery 37
1384 Rendezvous on a Tetrahedron 14
1385 Homework 9
1386 Starting a Scenic Railroad Service 36
1387 String Puzzle 12
1388 Counting Cycles 14
1389 Digits Are Not Just Characters 46
1390 Arithmetic Progressions 49
1391 Emergency Evacuation 36
1392 Shortest Common Non-Subsequence 30
1393 Eulerian Flight Tour 16
1394 Fair Chocolate-Cutting 3
1395 What Goes Up Must Come Down 31
1396 Four-Coloring 3
1397 Ranks 4
1398 Colorful Tree 8
1399 Sixth Sense 19
1500 ID 184
1501 Grid 148
1502 War 123
1503 Numbers 115
1504 Connect 34
1505 Dungeon 58
1506 Dice 3
1507 Dungeon (II) 59
1508 RMQ 111
1509 Rental DVD Shop NEO 102
1510 Independent Research 116
1511 General of Taiko 12
1512 Smartphone Game 47
1513 Doragoso Ball 30
1514 Balloon Contest 19
1515 The Humans Braving the Invaders 18
1516 Nasty Boys 185
1517 Challenge from Grandfather 60
1518 Last One 40
1519 Room of Time and Spirit 38
1520 Light Source 5
1521 Prize Game 8
1522 Planarian Regeneration 13
1523 Cone Cut 9
1524 Rolling Block 12
1525 J's Final Problem 7
1526 Password 8
1527 Yu-kun Likes Rectangles 6
1528 Warping Girld 6
1529 Cheat Case 4
1530 Lonely Adventuer 2
1531 Remainder Zero 4
1532 Yu-kun Likes Building Block 2
1533 Catepillar 2
1534 Sum of Last Digits 3
1535 Hanimon 0
1536 Witch Craft Moves 0
1537 WW 0
1541 Yu-kun Likes an Integer 5
1542 Yu-kun Likes Letters in the English Alphabet 4
1543 Changing Grids 1
1544 Smell Searcher 0
1545 Rooted Tree Game 0
1546 Coupling 0
1547 Yu-kun Likes People Watching 0
1548 Yu-kun Likes a Directed Graph 1
1549 Hard Beans 3
1550 Yu-kun Likes To Play Darts 0
1551 A White Wall 4
1552 Mountain Climbing 5
1553 Manhattan Warp Machine 1 3
1554 Friday the 13th 3
1555 Distinct Dictionary 0
1556 Sum of Numbers 0
1557 Yu-kun Likes a Treasure 0
1558 Puzzle and Hexagons 1
1559 Hopping Mind 0
1560 Yu-kun Likes a lot of Money 0
1561 Manhattan Warp Machine 2 1
1562 Divisor 51
1563 Array Update 17
1564 String Compression 17
1565 Squid Ink 13
1566 Movie 23
1567 Lucky Number 8
1568 String Conversion 15
1569 Bomb Removal 9
1570 Lights of Apartment 8
1571 String Crossing 5
1572 Point in The Triangle 1
1574 Gossip 32
1575 Product Sale Lines 18
1576 Community Integration 22
1577 Courage Test 9
1578 Rubik Dungeon 6
1579 Array Update 2 13
1580 Barter 9
1581 Reflection Warp Machine 3
1582 Circles and Ray 2
1583 Equivalent Vertices 0
1584 Sum of Sequences 5
1585 String in String 6
1586 Monochrome Tile 1
1587 Plants 29
1588 Potatoes 20
1589 Unhappy Class 15
1590 One-Time Path 15
1591 Graph Making 17
1592 Curling Puzzle 3
1593 Star 10
1594 Hogemon Get 2
1595 Traffic Tree 22
1596 Char Swap 4
1597 Escape of Lappin the Phantom Thief 2
1598 RedBlue 4
1599 Dial 0
1600 Entrance Examination 656
1601 Short Phrase 494
1602 ICPC Calculator 302
1603 500-yen Saving 130
1604 Deadlock Detection 53
1605 Bridge Construction Planning 32
1606 Complex Paper Folding 7
1607 Development of Small Flying Robots 4
1608 Selection of Participants of an Experiment 650
1609 Look for the Winner! 396
1610 Bamboo Blossoms 391
1611 Daruma Otoshi 255
1612 3D Printing 77
1613 Deciphering Characters 49
1614 Warp Drive 3
1615 Gift Exchange Party 27
1616 Taro's Shopping 427
1617 Almost Identical Programs 249
1618 A Garden with Ponds 151
1619 Making Lunch Boxes 73
1620 Boolean Expression Compressor 43
1621 Folding a Ribbon 34
1622 Go around the Labyrinth 40
1623 Equivalent Deformation 10
1624 Income Inequality 190
1625 Origami, or the art of folding paper 96
1626 Skyscraper MinatoHarukas 85
1627 Playoff by all the teams 50
1628 Floating-Point Numbers 11
1629 Equilateral Triangular Fence 6
1630 Expression Mining 6
1631 For Programming Excellence 4
2000 Misterious Gems 1399
2001 Amida, the City of Miracle 1030
2002 X-Ray Screening System 418
2003 Railroad Conflict 265
2004 Data Center on Fire 14
2005 Water Pipe Construction 459
2006 Keitai Message 1110
2007 Make Purse Light 747
2008 Dragon Fantasy 172
2009 Area Separation 233
2010 Poor Mail Forwarding 41
2011 Gather the Maps! 515
2012 Space Coconut Grab 1130
2013 Osaki 714
2014 Surrounding Area 636
2015 Square Route 838
2016 Lifeguard in the Pool 30
2017 Karakuri Doll 71
2018 Princess's Gamble 1047
2019 Princess's Marriage 872
2020 Princess's Japanese 98
2021 Princess in Danger 388
2022 Princess, a Cryptanalyst 190
2023 Princess, a Strategist 18
2024 Blackjack 103
2025 Eight Princes 37
2026 Divisor is the Conqueror 77
2027 Reading a Chord 24
2028 Gather on the Clock 60
2029 Light The Room 10
2030 Ruins 126
2031 Hyper Rock-Scissors-Paper 93
2032 Online Quiz System 16
2033 Rock Man 53
2034 Autocorrelation Function 25
2035 It Prefokery Pio 83
2036 Traffic 10
2037 Restriction Enzyme 0
2038 The Extreme Slalom 8
2039 Space Coconut Crab II 103
2040 Sort the Panels 63
2041 Disarmament of the Units 3
2042 So Sleepy 13
2043 Alice in Foxland 0
2044 Lying about Your Age 34
2045 Turn Polygons 29
2046 Robots' Crash 6
2047 Linear Ether Geometry 0
2048 Everlasting...? 163
2049 Headstrong Student 91
2050 Dig or Climb 36
2051 Rotation Estimation 28
2052 Optimal Rest 15
2053 Controlled Tournament 12
2054 Entangled Tree 9
2055 Ramen Shop 5
2056 Cousin's Aunt 5
2057 The Closest Circle 64
2058 Moduic Squares 72
2059 Restaurant 19
2060 Tetrahedra 41
2061 International Party 38
2062 Hide-and-seek 17
2063 TV Watching 16
2064 Make Friendships 35
2065 Slippy Floors 8
2066 Roads in a City 5
2067 Reading Brackets in English 11
2068 Grated Radish 3
2069 Greedy, Greedy. 57
2070 First Experience 48
2071 Web 0.5 17
2072 Philosopher's Stone 0
2073 The Phantom 6
2074 Rakunarok 4
2075 Dock to the Future 9
2076 Flame of Nucleus 52
2077 Resource 2
2078 Exact Arithmetic 8
2079 Dance Dance Revolution 90
2080 Compress Files 26
2081 Save the Energy 24
2082 Goofy Converter 46
2083 Black Force 14
2084 Hit and Blow 35
2085 Turn Left 32
2086 ! 76
2087 Speed 4
2088 Spirograph 14
2089 Mysterious Dungeons 52
2090 Repeated Subsequences 65
2091 Petoris 39
2092 Pythagoraslope 1
2093 Election 6
2094 Jaggie Spheres 12
2095 Nagashi Soumen 15
2096 Private Teacher 55
2097 Triangles 43
2098 Two-finger Programming 4
2099 Walk under a Scorching Sun 9
2100 Saizo 762
2101 Perfect Number 519
2102 Rummy 517
2103 Battle Town 320
2104 Country Road 637
2105 Rhythm Machine 61
2106 Enegy Transporter 67
2107 Can I go there? 148
2108 Aaron and Bruce 40
2109 Ancient Expression 35
2110 Radio Base 30
2111 ChikuChiku-BanBan 1
2112 Defend the Nation 0
2113 Electrophoretic 18
2114 Median Filter 9
2115 Life Game 44
2116 Subdividing a Land 16
2117 Connect Line Segments 51
2118 Oil Company 49
2119 Finding the Top RPS Player 71
2120 Revenge of Voronoi 0
2121 Castle Wall 7
2122 Optimization of Combinatorial Circuits 3
2123 Divisor Function 29
2124 Magical Dungeon 8
2125 Land Mark 11
2126 Alien Pianist 7
2127 Japanese Style Pub 10
2128 Two Rings 0
2129 Text Justification 46
2130 Billion Million Thousand 40
2131 Pi is Three 88
2132 Left Hand Rule 31
2133 Alice and Bob 5
2134 Deadly Dice Game 48
2135 Reverse a Road 46
2136 Webby Subway 16
2137 Time Trial 23
2138 Vending Machine 45
2139 Memory Match 34
2140 Tile Puzzle 0
2141 Girls' Party 38
2142 Bitwise Kingdom 55
2143 Adaptive Time Slicing Quantization 11
2144 Reaction 9
2145 Magical Island 15
2146 Ninja Legend 10
2147 Do It 0
2148 Robot Communication 2
2149 Luck Manipulator 893
2150 Matsuzaki Number 687
2151 Brave Princess Revisited 368
2152 Restrictive Filesystem 266
2153 Mirror Cave 333
2154 Shore Erosion 19
2155 Infected Computer 431
2156 Magic Slayer 170
2157 Dial Lock 200
2158 Double Sorting 12
2159 Symmetry 34
2160 Voronoi Island 105
2161 Defend the Bases 119
2162 Galaxy Wide Web Service 93
2163 Tatami 84
2164 Revenge of the Round Table 33
2165 Strange String Manipulation 280
2166 Erratic Sleep Habits 180
2167 Find the Point 55
2168 Luigi's Tavern 106
2169 Colored Octahedra 105
2170 Marked Ancestor 438
2171 Strange Couple 79
2172 Queen's Case 43
2173 Wind Passages 71
2174 Secret Operation 8
2175 Whist 210
2176 For the Peace 177
2177 Champernowne Constant 145
2178 Futon 135
2179 Safe Area 37
2180 Water Tank 103
2181 Neko's Treasure 67
2182 Eleven Lover 249
2183 Crystal Jails 15
2184 Cave Explorer 11
2185 Petting Cats 376
2186 Heian-Kyo Walking 492
2187 Card Game 157
2188 Unit Converter 102
2189 Addition Game 157
2190 Angel Stairs 95
2191 A Book Shop With a Frequent Greetings 63
2192 Drawing Lots 9
2193 The Door into Summer 38
2194 Cat Burglar and Friday House 5
2195 Cat Numbers! 12
2196 Chat noir 1
2197 Sum of Consecutive Integers 1209
2198 Moonlight Farm 620
2199 Differential Pulse Code Modulation 491
2200 Mr. Rito Post Office 422
2201 Immortal Jewels 181
2202 Canal: Water Going Up and Down 35
2203 Magical Island 2 14
2204 Final Examination! 567
2205 Lottery Checker 340
2206 Compile 162
2207 Consistet Unit System 112
2208 The Melancholy of Thomas Right 66
2209 UTF-8 55
2210 Star Watching 22
2211 Stray Cats, Run... 27
2212 Stolen Jewel 81
2213 The Number of Solutions for a Polynomial 5
2214 Warp Hall 22
2215 Three Silhouettes 2
2216 Summer of KMC 489
2217 Let's JUMPSTYLE 229
2218 K Poker 94
2219 THE BYDOLM@STER 185
2220 The Number of the Real Roots of a Cubic Equation 52
2221 KULASIS 66
2222 Alien's Counting 148
2223 Kaeru Jump 133
2224 Save your cats 336
2225 Dungeon Wall 61
2226 Psychic Accelerator 26
2227 Bouldering 15
2228 DON'T PANIC! 6
2229 Ropeway 26
2230 How to Create a Good Game 56
2231 Cruel Bingo 16
2232 Ennichi 284
2233 Carrot Tour 150
2234 Usagitobi 23
2235 Graph Construction 59
2236 Rabbit Plays Games! 100
2237 The Castle 124
2238 Nurie 11
2239 Nearest Station 64
2240 Lapin Noir 13
2241 Usaneko Matrix 178
2242 Era Name 458
2243 Step Step Evolution 269
2244 Dungeon Quest II 110
2245 Dice Room 77
2246 Alice and Bomb 22
2247 Two-Wheel Buggy 64
2248 Camera Control 7
2249 Road Construction 374
2250 Operator 56
2251 Merry Christmas 187
2252 koukyoukoukokukikou 1006
2253 Brave Force Story 574
2254 Fastest Route 551
2255 6/2(1+2) 206
2256 Divide the Cake 76
2257 Sakura Poetry 56
2258 Intelligent Circular Perfect Cleaner 15
2259 Programming Contest 342
2260 (iwi) 275
2261 [[iwi]] 145
2262 Stopping Problem 124
2263 The First Acceptance 111
2264 Spanning Trees 49
2265 Programming Contest Challenge Book 62
2266 Cache Strategy 59
2267 Bit Operation 14
2268 Randomized Self-Balancing Binary Search Tree 12
2269 Traveling Salesman Problem 14
2270 The L-th Number 52
2271 KUPC 354
2272 Cicada 393
2273 Shiritori 138
2274 Sequence Configuration 79
2275 Fox Number 43
2276 Ball 21
2277 XOR Circuit 22
2278 Unruly Eel 18
2279 Mountain 15
2280 Mod 3 Knights Out 11
2281 Swap Cipher 204
2282 Problem B 101
2283 Seishun 18 Kippu 123
2284 The Legendary Sword 116
2285 Anipero 67
2286 Farey Sequence 102
2287 Water Clock 15
2288 Oh, My Goat! 18
2289 Custom Painting Master 19
2290 Attack the Moles 35
2291 Brilliant Stars 35
2292 Common Palindromes 56
2293 Dangerous Tower 145
2294 Entangled with Lottery 58
2295 Power of Power 96
2296 Quest of Merchant 97
2297 Rectangular Stamps 144
2298 Starting Line 268
2299 Tiles are Colorful 204
2300 Calender Colors 388
2301 Sleeping Time 258
2302 On or Off 150
2303 Marathon Match 182
2304 Reverse Roads 194
2305 Beautiful Currency 180
2306 Rabbit Party 177
2307 Palindrome Generator 40
2308 White Bird 105
2309 Vector Compression 52
2310 Rose Garden Witch 98
2311 Dessert Witch 386
2312 Magical Girl Sayaka-chan 145
2313 Box Witch 130
2314 Scribbling witch 42
2315 Shadow Witch 44
2316 Mermaid Witch 16
2317 Class Representative Witch 110
2318 Set-constructing Witch 83
2319 Soul Gem Game 10
2320 Infinity Maze 204
2321 Butterfly 208
2322 Chinese Classics 33
2323 Revenge of Champernowne Constant 37
2324 Full Text Search 13
2325 Mysterious Maze 76
2326 Number Sorting 141
2327 Sky Jump 30
2328 Mobile Network 62
2329 Blue Forest 12
2330 Earth Invasion Diary of Miyabi-sensei 602
2331 A Way to Invite Friends 474
2332 Space-Time Sugoroku Road 315
2333 My friends are small 230
2334 Roads on Towns 145
2335 10-Year-Old Dynamic Programming 140
2336 Spring Tiles 115
2337 Remodeling Plan for Neko-Nabe (tentative) 29
2338 Intelligible Double Magic 22
2339 Person responsible for problem description don't w 20
2340 Carpenters' Language 253
2341 Kth Sentence 34
2342 Light Road 111
2343 Matrix Operation 39
2344 Multi Ending Story 66
2345 Network Reliability 86
2346 Runaway Domino 31
2347 Sunny Graph 29
2348 Testing Circuits 56
2349 World Trip 10
2350 A-B Problem 110
2351 Closest Segment Pair 42
2352 Divisor 39
2353 Four Arithmetic Operations 53
2354 Fractional Knapsack 56
2355 Game 11
2356 Palindromic Anagram 139
2357 Permutation 9
2358 Plane Division 10
2359 Range Minimum Query 11
2360 Sharp 2SAT 16
2361 Sort 84
2362 Chicken or the Egg 132
2363 Unequal Dice 131
2364 Lucky Dip 130
2365 Memory Leak 42
2366 Elevator 37
2367 Icy Composer 11
2368 Satan Attacks 11
2369 CatChecker 368
2370 RabbitWalking 101
2371 TransferTrain 74
2372 IkaNumber 74
2373 HullMarathon 52
2374 RabbitLunch 41
2375 CarrotBreeding 14
2376 DisconnectedGame 94
2377 ThreeRooks 12
2378 SolveMe 27
2379 Bicube 15
2380 Bubble Puzzle 65
2381 Fair Game 0
2382 King Slime 155
2383 Rabbit Game Playing 193
2384 Rabbit Jumping 11
2385 Shelter 27
2386 Sightseeing Tour 250
2387 Tampopo Machine 7
2388 Top of the Hill 1
2389 Asynchronous Exceptions 1
2390 AYBABTU 60
2391 Billiards Sorting 21
2392 Digit 13
2393 Dungeon Creation 20
2394 Longest Lane 21
2395 Play in Basic 2
2396 Skyland 14
2397 Three-way Branch 134
2398 Tree Allocation 15
2399 Save Your Privacy! 727
2400 You Are the Judge 675
2401 Equation 326
2402 Milky Way 235
2403 The Enemy of My Enemy is My Friend 158
2404 Dog Food 32
2405 Sister Ports 38
2406 Al dente 269
2407 Simple Othello 231
2408 Social 212
2409 Power 189
2410 Janken 83
2411 Acceleration of Network 28
2412 Village 67
2413 Tree Planting 38
2414 Treasure Hunt 6
2415 Sashimi 64
2416 XOR Cloister 13
2417 Flick Input 252
2418 Problem B War II 136
2419 Acrophobia 105
2420 Anipero 2012 66
2421 Markup language has Declined 10
2422 Transparent Mahjong 12
2423 Code Art Online 33
2424 Kakezan 677
2425 A Holiday of Miss Brute Force 182
2426 Treasure Hunt 240
2427 hosonagaitokoro 32
2428 Lost Number 132
2429 marukaite 124
2430 Longest Increasing Sequence 68
2431 House Moving 225
2432 Sports Days 2.0 48
2433 Final Defense Line 19
2434 Audition 49
2435 Zero Division Checker 154
2436 Card 58
2437 DNA 82
2438 YAML 128
2439 Hakone 151
2440 Kagisys 826
2441 FizzBuzz 246
2442 ConvexCut 205
2443 ReverseSort 172
2444 Substring 217
2445 MinimumCostPath 20
2446 Enumeration 113
2447 A Two Floors Dungeon 112
2448 Area Folding 52
2449 Connect 75
2450 Do use segment tree 86
2451 Move on Dice 17
2452 Pipeline Plans 13
2453 Presentation 30
2454 Repairing 41
2455 Sun and Moon 16
2456 Usoperanto 46
2457 Adhoc Translation 25
2458 Artistic Art Museum 4
2459 Complex Integer Solutions 7
2460 Dial Key 34
2461 Dungeon Master 4
2462 Exciting Bicycle 9
2463 Fuel Problem 5
2464 Magic Walls 10
2465 Sort by Hand 2
2466 Substring Expression 28
2467 Up Above the World So High 3
2468 Cache Control 49
2469 Cover Time 14
2470 Craftsman 8
2471 Divide the Water 13
2472 Mickle's Beam 16
2473 Poor Computer 5
2474 Riffle Swap 9
2475 Round Table 17
2476 Strange Currency System 36
2477 Tangram 0
2478 Trading Ship 19
2479 Approximate Circle 13
2480 Blame Game 19
2481 Earn Big 11
2482 Exportation in Space 17
2483 Laser Puzzle 4
2484 Magnum Tornado 5
2485 Nezumi's Treasure 5
2486 Testing Sorting Networks 5
2487 Train King 6
2488 Tree Construction 34
2489 Palindromic Number 216
2490 Parentheses 236
2491 Sanpo 17
2492 goto busters 101
2493 Replace 11
2494 Sliding GCD 43
2495 Magical Circle 18
2496 1 17
2497 One 28
2498 Cube of Two 86
2499 K-th String 2
2500 Company Trip 28
2501 Grid Mori 191
2502 VOCAL ANDROID 185
2503 Project Management 166
2504 Statement Coverage 40
2505 Twins Idol 28
2506 Operation training for BYDOL 7
2507 Computer Onesan 57
2508 King's Inspection 622
2509 Sim Forest 2013 80
2510 Twin book report 202
2511 Sinking islands 185
2512 Ononokomachi's Edit War 44
2513 Princess Tetra's Puzzle 13
2514 MirrorLabyrinth 28
2515 Seishun 18 Kippu 2013 131
2516 Amidakuji 40
2517 Hotel 45
2518 B2D 21
2519 English 30
2520 Bicycle 25
2521 Hole 9
2522 Register Phase 219
2523 Time Complexity 137
2524 Mysterious Operator 104
2525 Change 67
2526 Pie Chart is as easy as pie. 33
2527 MLE 29
2528 Get Lost 5
2529 Brainf*ck 32
2530 Reverse Game 9
2531 Avant-garde Art 17
2532 Collector 9
2533 The Return of FizzBuzz 3
2534 Dictionary 148
2535 Texas hold 'em 37
2536 Median Tree 162
2537 Billiard 50
2538 Stack Maze 81
2539 Counting 1's 31
2540 Ancient Commemorative Monolith 11
2541 Magical Bridges 46
2542 Hashigo Sama 9
2543 Ancient Scrolls 31
2544 Older Research Bldg. No.7 171
2545 Lion 96
2546 Chocolate 82
2547 Carpet 74
2548 Sugoroku 36
2549 7 Age 30
2550 Independent Research 20
2551 N and K 11
2552 Sigma 2
2553 Tile Setting 3
2554 encode/decode 4
2555 Everlasting Zero 85
2556 Integer in Integer 38
2557 Iyasugigappa 10
2558 Medical Inspection 28
2559 Minimum Spanning Tree 50
2560 Point Distance 37
2561 Revenge of Minimum Cost Flow 15
2562 Rings 20
2563 The J-th Number 24
2564 Tree Reconstruction 60
2565 Broken Audio Signal 211
2566 Restore Calculation 150
2567 SIRO Challenge 79
2568 Everlasting -One- 81
2569 Putter 29
2570 Shipura 88
2571 Floating Islands 20
2572 Venn Diagram 42
2573 Overwriting Game 19
2574 Magical Switches 14
2575 D's Ambition 140
2576 Doctor Course Is Recommended 111
2577 Dowsing Machine 51
2578 Disciple Life is Hard 49
2579 Disappear Drive 18
2580 Dangerous Delivery 14
2581 Derangement 41
2582 Step Aerobics 730
2583 JAG-channel 305
2584 Broken Cipher Generator 227
2585 1 Day Passport 144
2586 Wish upon a shooting star 96
2587 Elevator Hall Number 38
2588 Golf 5
2589 North North West 311
2590 Unknown Switches 176
2591 Speedrun 22
2592 Flowers 73
2593 Square in Circles 39
2594 Reverse a Road II 54
2595 Cookie Counter 100
2596 Points and Lines 72
2597 Color the Map Extreme 17
2598 Website Tour 43
2599 Idempotent Filter 69
2600 Koto Distance 328
2601 Evacuation Route 117
2602 Apples 12
2603 TiMe Table 39
2604 Pattern Language 24
2605 Social Monsters 36
2606 Perm Query 76
2607 Invest Master 216
2608 Minus One 144
2609 Wave Attack 54
2610 Fast Division 254
2611 Ordering 39
2612 Phutball 66
2613 Unordered Operators 117
2614 Almost Same Substring 73
2615 A + B 20
2616 KuruKuruKururin 4
2617 Air Pollution 36
2618 Trip to Kyoto 12
2619 Thread Tree 197
2620 Trodden Cable 70
2621 Fox Observation 131
2622 Removing Magical Tiles 12
2623 Optimal alpha beta pruning 14
2624 Graph Automata Player 33
2625 Spotlight Movement 14
2626 Gravity Point 8
2627 Multi Path Story 14
2628 Rotation Game 4
2629 Manhattan 212
2630 Dictionary 39
2631 Clique Coloring 52
2632 Dense Amidakuji 56
2633 Cellular Automaton 8
2634 Directions 11
2635 Snake 32
2636 Distance Sum 12
2637 Substring Pairs 12
2638 Hyperrectangle 32
2639 Yamanote Line 398
2640 Prowler 94
2641 Magic Bullet 136
2642 Dinner 148
2643 AI 69
2644 Longest Match 63
2645 Recycle 0
2646 Tournament 16
2647 The Capital 17
2648 Vongress 4
2656 Taps 56
2657 Books 45
2658 Pruning 37
2659 Chopsticks 18
2660 Sigma 27
2661 Todaiji 14
2662 Soccer 52
2663 RUPC 55
2664 Shopping 73
2665 Hopping Hearts 31
2666 Arojam's Mask 26
2667 Tree 40
2668 Bob's Bomb 0
2669 A-Z Cat 146
2670 Cram School Schedule 49
2671 Digital Clock 28
2672 Rescue a Postal Worker 37
2673 Do You Divide It? 6
2674 Disordered Data Detection 39
2675 Dungeon of Cards 5
2676 Typing Game 23
2677 Breadth-First Search by Foxpower 64
2678 Cube Coloring 44
2679 Decoding Ancient Messages 30
2680 LR 58
2681 Parentheses 66
2682 Polygon Guards 12
2683 Proportional Representation 3
2684 RLE Replacement 67
2685 Tokyo Olympics Center 6
2686 Unfair Game 25
2687 Balanced Paths 15
2688 Card Game Strategy 3
2689 Casino 1
2690 Content Delivery 13
2691 Cost Performance Flow 13
2692 ICPC Teams 20
2693 JAG-channel II 22
2694 Kimagure Cleaner 5
2695 Midpoint 3
2696 New Game AI 5
2697 Runner and Sniper 11
2698 Wall Making Game 39
2699 Koto Municipal Subway 422
2700 Airport Codes 318
2701 Falling Block Puzzle 57
2702 Alternate Escape 43
2703 Dice Stamp 39
2704 Stamp Rally 12
2705 Kuru Kuru Door 6
2706 Let's Solve Geometric Problems 177
2707 Jail 156
2708 ABC Gene 170
2709 Dark Room 113
2710 An Equation in a Mine 49
2711 Nearly Cyclic String 31
2712 Escape 59
2713 Bit Operation Game 28
2714 Twin Reverse 0
2715 Connection 0
2716 Leapfrog 2
2717 Where is the Boundary 85
2718 Vector Field 34
2719 Kuru Kuru Sushi 0
2720 Identity Function 23
2721 Enclose Points 1
2722 Marching Course 14
2723 Surface Area of Cubes 58
2724 Laser Cutter 11
2725 Live Programming 16
2726 Black Company 29
2727 M and A 124
2728 Change a Password 81
2729 Delete Files 46
2730 Line Gimmick 92
2731 Shifting a Matrix 44
2732 Modern Announce Network 32
2733 Cube Dividing 8
2734 Donut Decoration 37
2735 Shortest Bridge 3
2736 Longest Shortest Path 3
2737 Optimal Tournament 8
2738 A-un Breathing 415
2739 Delivery to a Luxurious House 299
2740 Rooted Tree for Misawa-san 131
2741 Invisible 76
2742 Campaign 26
2743 Land Inheritance 20
2744 Rings and Strings 0
2745 Curry Making 374
2746 jften 188
2747 Curtain 78
2748 Early Morning Work at Summer Camp 104
2749 The Most Powerful Bed 92
2750 Hyakunin Isshu 1
2751 Baseball 30
2752 Finger Counting 62
2753 Lie with Mean Value 45
2754 Pots 20
2755 Checkered Pattern 25
2756 Typhoon 8
2757 Eggs 8
2758 Sendame 33
2759 Match Peas War 18
2760 Shopping 8
2761 Myampus Sequence 14
2762 How To Make Stars 6
2763 Miko Mi String 26
2764 Travel Support 5
2765 Steelyard 51
2766 Hamming Distance 61
2767 AddMul 37
2768 Scanner 33
2769 28 21
2770 Relay 7
2771 Paint 0
2772 My Number 45
2773 Periodic Sequence 34
2774 Growing Point 14
2775 Complex Oracle 11
2776 Arai's 10
2777 Kitsuchiri 14
2778 Destiny Draw 12
2779 About Our Effort 1
2780 Best Matched Pair 184
2781 Help the Princess! 98
2782 We don't wanna work! 27
2783 Parentheses 69
2784 Similarity of Subtrees 64
2785 Escape from the Hell 23
2786 Share the Ruins Preservation 17
2787 Pipe Fitter and the Fierce Dogs 23
2788 Multisect 14
2789 Compressed Formula 9
2790 Non-redundant Drive 10
2791 Cabbage 23
2792 SNS 25
2793 Lost Graph 10
2794 DAG Trio (Easy) 3
2795 Fuda 6
2796 Folding Paper 1
2797 DAG Trio (Hard) 2
2798 Taking a Seat 43
2799 Yamanote-line Game 46
2800 Mod!Mod! 68
2801 Suntan 28
2802 Unbalanced Old Maid 5
2803 Overflow of Furo 11
2804 Minimum Enclosing Rectangle 9
2805 Tournament 124
2806 Weight Range 86
2807 Fractal Tree 36
2808 Password 41
2809 Graduation Ceremony 27
2810 Card Game 21
2811 Rainy Bus Stops 20
2812 Jump Party 12
2813 Islands Survival 12
2814 Energy Drink 9
2815 AOR's Score 22
2816 Alphabet Block 55
2817 Dance Now! 24
2818 Imagawayaki Man 21
2819 Country in Distortion 27
2820 Binary Sequence 15
2821 Trees in a Forest 12
2822 Love Permutation, Run run run! 3
2823 JAG Practice Contest 133
2824 Coastline 106
2825 Quiz 79
2826 Game Balance 29
2827 Industrial Convex Pillar City 27
2828 Matryoshka Doll 31
2829 Room Assignment 5
2830 Big Maze 9
2831 Check answers 81
2832 All Japan Association of Return home 13
2833 Displayed tweets 22
2834 Dimension travel 15
2835 Protect from the enemy attack 10
2836 Steps 1
2837 Cryptex 1
2838 A-Z- 68
2839 Ebi-chan and Integer Sequences 10
2840 Unique Subsequence 22
2841 Indecision 10
2842 Taiyaki-Master and Eater 15
2843 Multiplication Is Interesting 3
2844 Almost Infinite Glico 10
2845 Star in Parentheses 38
2846 Slimming Plan 17
2847 Ninja Map 17
2848 Janken Master 4
2849 Route Calculator 5
2850 Endless BFS 12
2851 Low Range-Sum Matrix 6
2852 Tiny Room 1
2853 Librarian's Work 4
2854 Sum Source Detection 0
2855 Permutation Period 2
2856 Window 51
2857 Tournament Chart 41
2858 Prime-Factor Prime 35
2859 Revenge of the Broken Door 3
2860 Tree Separator 15
2861 RPG Maker 13
2862 Coin Slider 12
2863 Separate String 23
2864 Revenge of the Endless BFS 3
2865 Farm Village 6
2866 Conveyor Belt 3
2867 Many Kinds of Apples 90
2868 Hierarchical Calculator 73
2869 AA Graph 73
2870 The Diversity of Prime Factorization 71
2871 Broccoli or Cauliflower 60
2872 Ebi-chan Lengthens Shortest Paths 57
2873 Censored String 41
2874 Pigeonhole principle 107
2875 Mapping 62
2876 Anagram 85
2877 Aquarium 61
2878 Graph 65
2879 Gochiusa-Number 54
2880 Elevator 50
2881 Change of the Era Name 141
2882 Generalized Leap Years 79
2883 Proof of Knowledge 71
2884 Tanka Number 36
2885 Divide and Conquer 46
2886 Antiaircraft Shield 9
2887 Casino 11
2888 NINJA GAME 1
2889 Internet Protocol Address 55
2890 Pivots 42
2891 Namo.. Cut 49
2892 Shiritori Compression 43
2893 Balanced Edge Deletion 29
2894 Binary String with Slit 27
2895 Palindromic Subsequences 30
2896 Test 63
2897 Right triangle 58
2898 Prime Number 57
2899 Accident 20
2900 Bumpy Array 29
2901 Swap 4
2902 Expression 9
2903 Board 9
2904 GruGuru 45
2905 Colorful Drink 27
2906 Santa's Gift 26
2907 Prefix Suffix Search 8
2908 Magic Triangles 0
2909 Nim without Zero 10
2910 Additions 7
2911 Enlarge Circles 3
2912 Sum of QQ 15
2913 Prime Routing 12
2914 Rough Sorting 6
2915 Paken 77
2916 Twins 74
2917 Pray 74
2918 Surmise 73
2919 Training 71
2920 Tea Party 70
2921 Working 67
2922 Mercy 69
2923 Ravage 51
2924 City 46
2925 Angel Relief 41
2926 Demon's Cedar 23
2927 Presents 23
2928 Mail Order 34
2929 Chisaki and Picnic 16
3000 The Mean of Angles 54
3001 GPA JANKEN 49
3002 Factorization 29
3003 Let's Go To School 13
3004 Tangled Cables 14
3005 Great Devil Sakanikia 14
3006 Chairs 10
3007 Zombie Hunter 8
3008 Tree-Light 9
3009 Demon's Plan 5
3010 Donuts Purchase 7
3011 Select Sets 5
3012 Settler 1
3013 Clock 82
3014 Hating Crowd 18
3015 Palindrome 15
3016 Fissure Puzzle Easy 12
3017 Piano 17
3018 nCm 18
3019 Picnic 5
3020 Sequence 4
3021 Making Pairs 8
3022 Cluster Network 6
3023 Chinol Choco 5
3024 RMQ 2 14
3025 Fissure Puzzle Hard 2
3026 ai1333 147
3027 OOllOll 104
3028 Ball 80
3029 AABABCAC 36
3030 Light 33
3031 Ghost Legs 51
3032 Combine Two Elements 47
3033 Hth Number 20
3034 Explosion 30
3035 Matrix 21
3036 Move on Ice 6
3037 Tree Fragments 14
3038 Manhattan Bomb 4
3039 Special Chat 73
3040 U and U 42
3041 Round And Round 59
3042 Gridgedge 45
3043 Donut Hole 44
3044 Timing 35
3045 Painting 36
3046 Loss 17
3047 Shiritori 29
3048 Averaging 13
3049 A Polygon And Circles 17
3050 Tousa Tree 9