Wanted

3154:problems_untagged

ID Name Difficulty Solver
abc387_a A. Happy New Year 2025 -1268 12425
abc389_a A. 9x9 -1170 13313
abc391_a A. Lucky Direction -1092 11737
abc393_a A. Poisonous Oyster -1085 null
abc382_a A. Daily Cookie -1062 12401
abc392_a A. Shuffled Equation -1041 12094
abc384_a A. aaaadaa -1039 12588
abc385_a A. Equally -938 12338
abc383_a A. Humidifier 1 -827 11882
abc387_b B. 9x9 Sum -785 11448
abc382_b B. Daily Cookie 2 -732 11745
abc389_b B. tcaF -703 12704
abc386_a A. Full House 2 -702 11294
abc392_b B. Who is Missing? -649 11545
abc384_b B. ARC Division -641 11622
abc388_b B. Heavy Snake -633 11867
abc381_a A. 11/22 String -622 10204
abc386_b B. Calculator -497 10700
abc390_a A. 12435 -492 12083
abc393_b B. A..B..C -480 null
abc377_b B. Avoid Rook Attack -432 10725
abc381_b B. 1122 String -417 9379
abc368_b B. Decrease 2 max elements -384 12758
abc369_b B. Piano 3 -344 12705
abc375_b B. Traveling Takahashi Problem -325 12589
abc373_c C. Max Ai+Bj -269 13598
abc385_b B. Santa Claus 1 -257 10500
abc360_b B. Vertical Reading -255 9557
abc348_b B. Farthest Point -251 13103
abc347_b B. Substring -238 14713
abc370_b B. Binary Alchemy -226 12708
abc349_b B. Commencement -202 13320
abc355_b B. Piano 2 -136 13171
arc177_a A. Exchange -120 3723
abc391_b B. Seek Grid -117 9680
abc378_b B. Garbage Collection -90 10405
abc372_b B. 3^A -48 10804
abc392_c C. Bib -43 10253
abc352_c C. Standing On The Shoulders -32 13244
abc390_b B. Geometric Sequence 0 10412
abc348_c C. Colorful Beans 23 12199
abc360_d D. Ghost Ants 32 6706
abc346_c C. Σ 78 12990
abc366_c C. Balls and Bag Query 80 11919
abc366_b B. Vertical Writing 80 11369
abc251_b B. At Most 3 (Judge ver.) 83 10467
abc331_b B. Buy One Carton of Milk 85 11541
arc177_b B. Puzzle of Lamps 93 3424
abc384_c C. Perfect Standings 95 9636
abc393_c C. Make it Simple 98 null
abc378_c C. Repeating 105 10267
abc284_c C. Count Connected Components 108 11332
abc260_b B. Better Students Are Needed! 112 9805
abc329_c C. Count xxx 133 10766
abc381_c C. 11/22 Substring 140 8049
abc391_c C. Pigeonhole Query 141 9179
abc388_c C. Various Kagamimochi 145 10066
abc313_b B. Who is Saikyo? 147 10917
abc349_c C. Airport Code 159 12058
abc321_b B. Cutoff 160 13476
abc262_b B. Triangle (Easier) 160 9532
abc380_c C. Move Segment 166 10013
abc289_b B. V 169 9744
abc310_b B. Strictly Superior 171 10758
abc374_c C. Separated Lunch 172 10961
abc351_c C. Merge the balls 175 12060
abc370_c C. Word Ladder 176 11117
abc367_c C. Enumerate Sequences 186 11080
abc328_c C. Consecutive 189 10947
abc390_c C. Paint to make a rectangle 207 9269
arc134_a A. Bridge and Sheets 207 4863
abc346_b B. Piano 213 11885
abc386_c C. Operate 1 218 8317
abc389_c C. Snake Queue 220 9585
abc337_c C. Lining Up 2 225 11622
arc133_a A. Erase by Value 235 4935
abc365_c C. Transportation Expenses 241 11615
abc310_c C. Reversible 245 11453
abc383_b B. Humidifier 2 246 8565
abc358_c C. Popcorn 247 11504
abc297_d D. Count Subtractions 247 9433
abc377_c C. Avoid Knight Attack 248 8553
arc161_a A. Make M 265 3477
abc331_c C. Sum of Numbers Greater Than Me 268 10279
arc152_a A. Seat Occupation 269 3861
abc376_b B. Hands on Ring (Easy) 271 9403
abc326_c C. Peak 274 10666
abc315_c C. Flavors 312 10188
abc355_c C. Bingo 2 317 10626
arc180_a A. ABA and BAB 322 3925
abc372_c C. Count ABC Again 336 9282
abc314_c C. Rotate Colored Subsequence 337 9573
abc309_c C. Medicine 344 9498
arc157_a A. XXYYX 344 3925
arc147_a A. Max Mod Min 347 4013
arc132_a A. Permutation Grid 347 3574
abc302_b B. Find snuke 349 8488
abc323_c C. World Tour Finals 354 11297
arc151_a A. Equal Hamming Distances 355 3766
abc376_c C. Prepare Another Box 364 9357
arc154_a A. Swap Digit 364 3519
abc304_c C. Virus 365 8598
abc368_c C. Triple Attack 367 10436
abc273_c C. (K+1)-th Largest Number 369 8226
arc163_a A. Divide String 373 3718
abc294_d D. Bank 385 8204
abc276_c C. Previous Permutation 389 8999
abc318_c C. Blue Spring 400 10952
abc341_c C. Takahashi Gets Lost 406 10162
abc371_d D. 1D Country 408 8900
abc258_c C. Rotation 419 10628
arc178_a A. Good Permutation 2 438 2746
abc354_c C. AtCoder Magics 441 10713
abc252_c C. Slot Strategy 441 9156
abc385_c C. Illuminate Buildings 446 8163
arc162_a A. Ekiden Race 446 2938
abc311_c C. Find it! 448 9876
abc298_c C. Cards Query Problem 448 7967
abc259_c C. XX to XXX 451 9255
abc283_d D. Scope 453 8187
arc181_a A. Sort Left and Right 456 3177
arc174_a A. A Multiply 467 3402
abc302_c C. Almost Equal 469 8380
abc382_c C. Kaiten Sushi 476 7985
abc334_b B. Christmas Trees 479 10009
arc137_a A. Coprime Pair 480 4784
arc179_a A. Partition 504 3221
arc156_a A. Non-Adjacent Flip 510 3798
abc250_c C. Adjacent Swaps 517 8932
abc253_c C. Max - Min Query 518 9273
abc330_c C. Minimize Abs 2 519 9132
abc340_c C. Divide and Divide 528 9756
arc164_a A. Ternary Decomposition 532 4070
abc393_d D. Swap to Gather 533 null
arc183_a A. Median of Good Sequences 539 2370
abc256_c C. Filling 3x3 array 541 8302
arc142_a A. Reverse and Minimize 552 3372
arc161_b B. Exactly Three Bits 563 2949
abc286_c C. Rotate and Palindrome 565 7634
abc356_c C. Keys 568 9570
abc330_d D. Counting Ls 569 7979
abc255_c C. ±1 Operation 1 574 8306
abc292_d D. Unicyclic Components 579 7767
abc392_d D. Doubles 579 7155
abc314_d D. LOWER 585 8278
abc366_d D. Cuboid Sum Query 586 8181
abc378_d D. Count Simple Paths 587 7562
abc321_c C. 321-like Searcher 591 10871
arc145_a A. AB Palindrome 596 4708
arc139_a A. Trailing Zeros 599 3223
abc308_c C. Standings 605 9481
arc171_a A. No Attacking 614 3167
abc308_d D. Snuke Maze 619 7846
abc309_d D. Add One Edge 621 7498
arc135_a A. Floor, Ceil - Decomposition 634 4257
abc324_c C. Error Correction 637 8255
arc148_a A. mod M 656 4052
abc375_d D. ABA 658 8042
abc388_d D. Coming of Age Celebration 659 7239
abc307_d D. Mismatched Parentheses 666 7123
abc384_d D. Repeated Sequence 666 7023
abc268_c C. Chinese Restaurant 676 7551
abc257_c C. Robot Takahashi 678 7774
abc313_c C. Approximate Equalization 2 681 8202
abc302_d D. Impartial Gift 682 7129
abc382_d D. Keep Distance 685 6084
abc258_d D. Trophy 687 8290
arc142_b B. Unbalanced Squares 692 2923
abc374_d D. Laser Marking 694 7271
arc159_a A. Copy and Paste Graph 698 3125
arc158_a A. +3 +5 +7 720 3165
abc265_d D. Iroha and Haiku (New ABC Edition) 727 7237
abc355_d D. Intersecting Intervals 735 7950
abc389_d D. Squares in Circle 749 6430
abc383_c C. Humidifier 3 750 6675
arc170_a A. Yet Another AB Problem 750 2987
arc132_b B. Shift and Reverse 753 2963
abc275_c C. Counting Squares 760 6387
abc373_d D. Hidden Weights 765 7755
arc145_b B. AB Game 767 3590
abc303_d D. Shift vs. CapsLock 778 6831
abc340_d D. Super Takahashi Bros. 784 7180
abc272_d D. Root M Leaper 804 6716
abc387_d D. Snaky Walk 817 5317
abc359_c C. Tile Distance 2 828 7297
arc138_a A. Larger Score 837 3680
abc271_c C. Manga 842 7562
abc346_d D. Gomamayo Sequence 845 7206
abc380_d D. Strange Mirroring 849 6479
abc371_c C. Make Isomorphic 849 6418
arc172_a A. Chocolate 851 2383
abc323_d D. Merge Slimes 852 7138
abc277_d D. Takahashi's Solitaire 873 5912
arc149_a A. Repdigit Number 878 3375
arc137_b B. Count 1's 883 3749
abc383_d D. 9 Divisors 884 5828
abc356_d D. Masked Popcount 886 7085
arc144_b B. Gift Tax 895 3538
abc372_d D. Buildings 901 6627
abc381_d D. 1122 Substring 921 4887
abc391_d D. Gravity 924 4908
arc175_b B. Parenthesis Arrangement 924 2149
abc317_d D. President 929 6320
arc134_b B. Reserve or Reverse 934 3413
arc138_b B. 01 Generation 934 3203
arc163_b B. Favorite Game 936 3030
arc140_a A. Right String 951 2984
arc150_a A. Continuous 1 952 3241
agc063_a A. Mex Game 952 1892
abc304_e E. Good Graph 971 5214
abc375_c C. Spiral Rotation 972 6006
arc148_b B. dp 975 2992
abc371_e E. I Hate Sigma Problems 981 5868
arc149_b B. Two LIS Sum 983 2803
abc377_d D. Many Segments 2 987 4870
abc302_e E. Isolation 988 5423
agc064_a A. i i's 996 1730
abc296_d D. M<=ab 999 6994
abc384_e E. Takahashi is Slime 2 1002 5058
abc330_e E. Mex and Update 1004 5815
abc331_e E. Set Meal 1018 5541
arc154_b B. New Place 1027 2685
abc290_d D. Marking 1036 4882
abc308_e E. MEX 1042 5437
arc185_a A. mod M Game 2 1042 2103
arc182_b B. |{floor(A_i/2^k)}| 1049 1982
abc346_e E. Paint 1053 5816
arc177_c C. Routing 1055 2288
abc376_e E. Max × Sum 1063 5422
abc388_e E. Simultaneous Kagamimochi 1068 5505
arc173_a A. Neq Number 1073 2130
abc370_d D. Cross Explosion 1088 6004
arc140_b B. Shorten ARC 1092 2595
abc287_e E. Karuta 1093 4886
abc320_e E. Somen Nagashi 1096 5124
arc191_a A. Replace Digits 1096 1581
agc062_a A. Right Side Character 1099 1475
abc365_e E. Xor Sigma Problem 1102 5561
arc182_a A. Chmax Rush! 1110 2075
arc191_b B. XOR = MOD 1111 1397
abc303_e E. A Gift From the Stars 1113 4497
arc162_b B. Insertion Sort 2 1124 1925
arc166_a A. Replace C or Swap AB 1126 2310
arc166_b B. Make Multiples 1134 2242
agc058_a A. Make it Zigzag 1134 1848
abc324_e E. Joint Two Strings 1153 4773
abc391_e E. Hierarchical Majority Vote 1165 3682
abc347_e E. Set Add Query 1166 5105
arc147_b B. Swap to Sort 1167 2511
abc385_d D. Santa Claus 2 1171 4365
arc169_a A. Please Sign 1171 2631
abc368_f F. Dividing Game 1180 4572
arc170_b B. Arithmetic Progression Subsequence 1180 2197
arc164_b B. Switching Travel 1189 2755
arc164_c C. Reversible Card Game 1199 2565
abc299_e E. Nearest Black Vertex 1216 4120
abc392_e E. Cables and Servers 1218 3793
abc354_e E. Remove Pairs 1223 4663
abc390_e E. Vitamin Balance 1227 3827
abc379_e E. Sum of All Substrings 1246 4128
wtf22_day1_a A. Save the Monsters 1246 595
abc387_c C. Snake Numbers 1249 3995
abc393_e E. GCD of Subset 1253 null
abc310_e E. NAND repeatedly 1261 4134
abc292_e E. Transitivity 1272 4514
abc359_e E. Water Tank 1275 4559
arc160_b B. Triple Pair 1275 1911
arc160_a A. Reverse and Count 1275 1828
abc393_f F. Prefix LIS Query 1284 null
arc168_b B. Arbitrary Nim 1289 1911
arc167_b B. Product of Divisors 1292 2350
abc311_e E. Defect-free Squares 1293 4451
arc176_b B. Simple Math 4 1298 1900
abc298_e E. Unfair Sugoroku 1300 3560
abc369_e E. Sightseeing Tour 1301 4346
abc307_c C. Ideal Sheet 1307 3723
abc322_d D. Polyomino 1310 3979
arc133_b B. Dividing Subsequence 1317 2610
arc185_b B. +1 and -1 1332 1835
arc151_b B. A < AP 1333 2395
arc146_b B. Plus and AND 1335 2141
arc189_a A. Reversi 2 1342 1351
agc060_a A. No Majority 1345 1672
arc176_a A. 01 Matrix Again 1346 1871
arc187_a A. Add and Swap 1349 1573
abc319_e E. Bus Stops 1353 4026
arc136_b B. Triple Shift 1358 2726
abc331_d D. Tile Pattern 1361 4185
arc165_b B. Sliding Window Sort 2 1364 1979
abc325_d D. Printing Machine 1367 4020
abc310_d D. Peaceful Teams 1368 4344
arc153_b B. Grid Rotations 1369 2199
arc171_b B. Chmax 1374 1818
arc161_d D. Everywhere is Sparser than Whole (Construction) 1379 1565
abc359_d D. Avoid K Palindrome 1381 3984
arc190_a A. Inside or Outside 1381 968
arc184_a A. Appraiser 1383 1677
arc169_b B. Subsegments with Small Sums 1387 2013
arc192_a A. ARC Arc 1387 1396
agc057_a A. Antichain of Integer Strings 1389 1578