Wanted

3351:problems_untagged

ID Name Difficulty Solver
abc387_a A. Happy New Year 2025 -1268 12889
abc389_a A. 9x9 -1170 13855
abc391_a A. Lucky Direction -1092 12772
abc393_a A. Poisonous Oyster -1085 13533
abc382_a A. Daily Cookie -1062 12682
abc392_a A. Shuffled Equation -1041 13400
abc384_a A. aaaadaa -1039 12903
abc394_a A. 22222 -993 13323
abc396_a A. Triple Four -958 12997
abc395_a A. Strictly Increasing? -945 13896
abc385_a A. Equally -938 12684
abc383_a A. Humidifier 1 -827 12143
abc387_b B. 9x9 Sum -785 11844
abc382_b B. Daily Cookie 2 -732 11982
abc389_b B. tcaF -703 13174
abc386_a A. Full House 2 -702 11667
abc392_b B. Who is Missing? -649 12697
abc384_b B. ARC Division -641 11877
abc388_b B. Heavy Snake -633 12256
abc394_b B. cat -630 12662
abc381_a A. 11/22 String -622 10454
abc396_b B. Card Pile -556 12130
abc386_b B. Calculator -497 11019
abc390_a A. 12435 -492 12666
abc393_b B. A..B..C -480 12309
abc377_b B. Avoid Rook Attack -432 10908
abc381_b B. 1122 String -417 9611
abc368_b B. Decrease 2 max elements -384 12895
abc369_b B. Piano 3 -344 12859
abc375_b B. Traveling Takahashi Problem -325 12740
abc395_b B. Make Target -286 11678
abc373_c C. Max Ai+Bj -269 13752
abc385_b B. Santa Claus 1 -257 10740
abc360_b B. Vertical Reading -255 9640
abc348_b B. Farthest Point -251 13189
abc347_b B. Substring -238 14807
abc370_b B. Binary Alchemy -226 12848
abc349_b B. Commencement -202 13406
abc355_b B. Piano 2 -136 13260
arc177_a A. Exchange -120 3735
abc391_b B. Seek Grid -117 10400
abc378_b B. Garbage Collection -90 10570
abc372_b B. 3^A -48 10929
abc392_c C. Bib -43 11241
abc352_c C. Standing On The Shoulders -32 13315
abc390_b B. Geometric Sequence 0 10899
abc348_c C. Colorful Beans 23 12276
abc360_d D. Ghost Ants 32 6783
abc394_c C. Debug 36 11184
abc395_c C. Shortest Duplicate Subarray 36 11087
abc346_c C. Σ 78 13076
abc366_c C. Balls and Bag Query 80 12052
abc366_b B. Vertical Writing 80 11506
abc251_b B. At Most 3 (Judge ver.) 83 10519
abc331_b B. Buy One Carton of Milk 85 11602
arc177_b B. Puzzle of Lamps 93 3437
abc384_c C. Perfect Standings 95 9834
abc393_c C. Make it Simple 98 10590
abc378_c C. Repeating 105 10438
abc284_c C. Count Connected Components 108 11395
abc260_b B. Better Students Are Needed! 112 9843
abc329_c C. Count xxx 133 10835
abc381_c C. 11/22 Substring 140 8227
abc391_c C. Pigeonhole Query 141 10002
abc388_c C. Various Kagamimochi 145 10376
abc313_b B. Who is Saikyo? 147 10997
abc349_c C. Airport Code 159 12133
abc321_b B. Cutoff 160 13536
abc262_b B. Triangle (Easier) 160 9583
abc380_c C. Move Segment 166 10163
abc289_b B. V 169 9794
abc310_b B. Strictly Superior 171 10806
abc374_c C. Separated Lunch 172 11076
abc351_c C. Merge the balls 175 12127
abc370_c C. Word Ladder 176 11224
abc367_c C. Enumerate Sequences 186 11186
abc328_c C. Consecutive 189 11013
abc390_c C. Paint to make a rectangle 207 9699
arc134_a A. Bridge and Sheets 207 4873
abc346_b B. Piano 213 11964
abc394_d D. Colorful Bracket Sequence 216 10114
abc386_c C. Operate 1 218 8562
abc389_c C. Snake Queue 220 9946
abc337_c C. Lining Up 2 225 11682
arc133_a A. Erase by Value 235 4947
abc365_c C. Transportation Expenses 241 11726
abc310_c C. Reversible 245 11519
abc383_b B. Humidifier 2 246 8758
abc358_c C. Popcorn 247 11577
abc297_d D. Count Subtractions 247 9488
abc377_c C. Avoid Knight Attack 248 8690
arc161_a A. Make M 265 3496
abc331_c C. Sum of Numbers Greater Than Me 268 10356
arc152_a A. Seat Occupation 269 3866
abc376_b B. Hands on Ring (Easy) 271 9528
abc396_c C. Buy Balls 273 9548
abc326_c C. Peak 274 10732
abc315_c C. Flavors 312 10279
abc355_c C. Bingo 2 317 10701
arc180_a A. ABA and BAB 322 3950
abc372_c C. Count ABC Again 336 9414
abc314_c C. Rotate Colored Subsequence 337 9656
abc309_c C. Medicine 344 9554
arc157_a A. XXYYX 344 3936
arc147_a A. Max Mod Min 347 4025
arc132_a A. Permutation Grid 347 3582
abc302_b B. Find snuke 349 8565
abc323_c C. World Tour Finals 354 11358
arc151_a A. Equal Hamming Distances 355 3777
abc376_c C. Prepare Another Box 364 9499
arc154_a A. Swap Digit 364 3528
abc304_c C. Virus 365 8675
abc368_c C. Triple Attack 367 10538
abc273_c C. (K+1)-th Largest Number 369 8274
arc163_a A. Divide String 373 3744
abc294_d D. Bank 385 8270
abc276_c C. Previous Permutation 389 9050
abc318_c C. Blue Spring 400 11026
abc341_c C. Takahashi Gets Lost 406 10236
abc371_d D. 1D Country 408 9042
abc258_c C. Rotation 419 10705
arc178_a A. Good Permutation 2 438 2760
abc354_c C. AtCoder Magics 441 10785
abc252_c C. Slot Strategy 441 9202
abc385_c C. Illuminate Buildings 446 8367
arc162_a A. Ekiden Race 446 2957
abc311_c C. Find it! 448 9929
abc298_c C. Cards Query Problem 448 8037
abc259_c C. XX to XXX 451 9296
abc283_d D. Scope 453 8234
arc181_a A. Sort Left and Right 456 3208
arc174_a A. A Multiply 467 3429
abc302_c C. Almost Equal 469 8460
abc382_c C. Kaiten Sushi 476 8155
abc334_b B. Christmas Trees 479 10063
arc137_a A. Coprime Pair 480 4815
arc179_a A. Partition 504 3233
arc156_a A. Non-Adjacent Flip 510 3815
abc250_c C. Adjacent Swaps 517 9001
abc253_c C. Max - Min Query 518 9334
abc330_c C. Minimize Abs 2 519 9194
abc340_c C. Divide and Divide 528 9826
arc164_a A. Ternary Decomposition 532 4085
abc393_d D. Swap to Gather 533 8348
arc183_a A. Median of Good Sequences 539 2389
abc256_c C. Filling 3x3 array 541 8351
arc142_a A. Reverse and Minimize 552 3382
arc161_b B. Exactly Three Bits 563 2965
abc286_c C. Rotate and Palindrome 565 7677
abc356_c C. Keys 568 9640
abc330_d D. Counting Ls 569 8032
abc255_c C. ±1 Operation 1 574 8355
abc392_d D. Doubles 579 7868
abc292_d D. Unicyclic Components 579 7820
abc314_d D. LOWER 585 8409
abc366_d D. Cuboid Sum Query 586 8260
abc378_d D. Count Simple Paths 587 7671
abc321_c C. 321-like Searcher 591 10941
arc145_a A. AB Palindrome 596 4727
arc139_a A. Trailing Zeros 599 3235
abc396_d D. Minimum XOR Path 601 7366
abc308_c C. Standings 605 9545
arc171_a A. No Attacking 614 3182
abc308_d D. Snuke Maze 619 7903
abc309_d D. Add One Edge 621 7553
arc135_a A. Floor, Ceil - Decomposition 634 4269
abc324_c C. Error Correction 637 8330
arc148_a A. mod M 656 4073
abc375_d D. ABA 658 8158
abc388_d D. Coming of Age Celebration 659 7456
abc307_d D. Mismatched Parentheses 666 7220
abc384_d D. Repeated Sequence 666 7191
abc268_c C. Chinese Restaurant 676 7589
abc257_c C. Robot Takahashi 678 7820
abc313_c C. Approximate Equalization 2 681 8296
abc302_d D. Impartial Gift 682 7200
abc382_d D. Keep Distance 685 6222
abc258_d D. Trophy 687 8327
arc142_b B. Unbalanced Squares 692 2934
abc374_d D. Laser Marking 694 7349
arc159_a A. Copy and Paste Graph 698 3134
arc158_a A. +3 +5 +7 720 3179
abc265_d D. Iroha and Haiku (New ABC Edition) 727 7271
abc355_d D. Intersecting Intervals 735 8017
abc389_d D. Squares in Circle 749 6664
abc383_c C. Humidifier 3 750 6848
arc170_a A. Yet Another AB Problem 750 3002
arc132_b B. Shift and Reverse 753 2971
abc275_c C. Counting Squares 760 6428
abc373_d D. Hidden Weights 765 7848
arc145_b B. AB Game 767 3602
abc303_d D. Shift vs. CapsLock 778 6922
abc340_d D. Super Takahashi Bros. 784 7249
abc272_d D. Root M Leaper 804 6768
abc387_d D. Snaky Walk 817 5488
abc359_c C. Tile Distance 2 828 7358
arc138_a A. Larger Score 837 3693
abc271_c C. Manga 842 7612
abc346_d D. Gomamayo Sequence 845 7272
abc380_d D. Strange Mirroring 849 6593
abc371_c C. Make Isomorphic 849 6508
arc172_a A. Chocolate 851 2399
abc323_d D. Merge Slimes 852 7184
arc194_a A. Operations on a Stack 871 1562
abc277_d D. Takahashi's Solitaire 873 5944
arc149_a A. Repdigit Number 878 3395
arc137_b B. Count 1's 883 3761
abc383_d D. 9 Divisors 884 5981
abc356_d D. Masked Popcount 886 7134
arc144_b B. Gift Tax 895 3550
abc372_d D. Buildings 901 6715
abc395_d D. Pigeon Swap 919 6409
abc381_d D. 1122 Substring 921 5001
abc391_d D. Gravity 924 5350
arc175_b B. Parenthesis Arrangement 924 2166
abc317_d D. President 929 6373
arc134_b B. Reserve or Reverse 934 3421
arc138_b B. 01 Generation 934 3225
arc163_b B. Favorite Game 936 3042
arc140_a A. Right String 951 2998
arc150_a A. Continuous 1 952 3261
agc063_a A. Mex Game 952 1908
abc304_e E. Good Graph 971 5275
abc375_c C. Spiral Rotation 972 6089
arc148_b B. dp 975 3006
abc371_e E. I Hate Sigma Problems 981 6037
arc149_b B. Two LIS Sum 983 2823
abc377_d D. Many Segments 2 987 4955
abc302_e E. Isolation 988 5473
agc064_a A. i i's 996 1737
abc296_d D. M<=ab 999 7040
abc384_e E. Takahashi is Slime 2 1002 5180
abc330_e E. Mex and Update 1004 5860
abc331_e E. Set Meal 1018 5591
arc154_b B. New Place 1027 2698
abc290_d D. Marking 1036 4916
abc308_e E. MEX 1042 5479
arc185_a A. mod M Game 2 1042 2127
arc194_b B. Minimum Cost Sort 1048 1339
arc182_b B. |{floor(A_i/2^k)}| 1049 1998
abc346_e E. Paint 1053 5851
arc177_c C. Routing 1055 2320
abc376_e E. Max × Sum 1063 5509
abc388_e E. Simultaneous Kagamimochi 1068 5668
arc173_a A. Neq Number 1073 2151
abc370_d D. Cross Explosion 1088 6080
arc140_b B. Shorten ARC 1092 2614
abc287_e E. Karuta 1093 4917
abc320_e E. Somen Nagashi 1096 5154
arc191_a A. Replace Digits 1096 1687
agc062_a A. Right Side Character 1099 1485
abc365_e E. Xor Sigma Problem 1102 5649
arc182_a A. Chmax Rush! 1110 2092
arc191_b B. XOR = MOD 1111 1488
abc303_e E. A Gift From the Stars 1113 4567
arc162_b B. Insertion Sort 2 1124 1955
arc166_a A. Replace C or Swap AB 1126 2329
arc166_b B. Make Multiples 1134 2272
agc058_a A. Make it Zigzag 1134 1852
abc324_e E. Joint Two Strings 1153 4824
abc391_e E. Hierarchical Majority Vote 1165 4071
abc347_e E. Set Add Query 1166 5164
arc147_b B. Swap to Sort 1167 2526
abc385_d D. Santa Claus 2 1171 4504
arc169_a A. Please Sign 1171 2651
abc368_f F. Dividing Game 1180 4625
arc170_b B. Arithmetic Progression Subsequence 1180 2215
arc164_b B. Switching Travel 1189 2776
arc164_c C. Reversible Card Game 1199 2584
abc299_e E. Nearest Black Vertex 1216 4154
abc392_e E. Cables and Servers 1218 4412
abc354_e E. Remove Pairs 1223 4720
abc390_e E. Vitamin Balance 1227 4088
arc193_a A. Complement Interval Graph 1234 967
abc379_e E. Sum of All Substrings 1246 4228
wtf22_day1_a A. Save the Monsters 1246 600
abc387_c C. Snake Numbers 1249 4148
abc393_e E. GCD of Subset 1253 4757
abc310_e E. NAND repeatedly 1261 4169
abc292_e E. Transitivity 1272 4546
abc359_e E. Water Tank 1275 4630
arc160_b B. Triple Pair 1275 1931
arc160_a A. Reverse and Count 1275 1839
abc393_f F. Prefix LIS Query 1284 3623
arc168_b B. Arbitrary Nim 1289 1923
arc167_b B. Product of Divisors 1292 2374
abc311_e E. Defect-free Squares 1293 4487
arc176_b B. Simple Math 4 1298 1916
abc298_e E. Unfair Sugoroku 1300 3612
abc369_e E. Sightseeing Tour 1301 4404
abc307_c C. Ideal Sheet 1307 3751
abc322_d D. Polyomino 1310 4006
arc133_b B. Dividing Subsequence 1317 2622
arc185_b B. +1 and -1 1332 1861
arc151_b B. A < AP 1333 2405
arc146_b B. Plus and AND 1335 2186
arc189_a A. Reversi 2 1342 1379
agc060_a A. No Majority 1345 1682
arc176_a A. 01 Matrix Again 1346 1897
arc187_a A. Add and Swap 1349 1595