Wanted

2716:problems_untagged

ID Name Difficulty Solver
abc348_a A. Penalty Kick -1088 12586
abc346_a A. Adjacent Product -1074 13655
abc351_a A. The bottom of the ninth -1028 null
abc347_a A. Divisible -1026 14456
abc349_a A. Zero Sum Game -702 12462
abc350_a A. Past ABCs -610 11867
abc351_b B. Spot the Difference -585 null
abc350_b B. Dentist Aoki -476 11362
abc348_b B. Farthest Point -251 10919
abc347_b B. Substring -238 12498
abc349_b B. Commencement -202 10869
abc348_c C. Colorful Beans 23 10151
abc346_c C. Σ 78 11020
abc251_b B. At Most 3 (Judge ver.) 83 9798
abc331_b B. Buy One Carton of Milk 85 10318
abc284_c C. Count Connected Components 108 10439
abc260_b B. Better Students Are Needed! 112 9217
abc329_c C. Count xxx 133 9684
abc313_b B. Who is Saikyo? 147 10041
abc349_c C. Airport Code 159 9754
abc321_b B. Cutoff 160 12445
abc262_b B. Triangle (Easier) 160 8918
abc289_b B. V 169 9115
abc310_b B. Strictly Superior 171 9972
abc351_c C. Merge the balls 175 null
abc328_c C. Consecutive 189 9904
arc134_a A. Bridge and Sheets 207 4713
abc346_b B. Piano 213 10121
abc337_c C. Lining Up 2 225 10339
arc133_a A. Erase by Value 235 4748
abc310_c C. Reversible 245 10612
abc297_d D. Count Subtractions 247 8820
arc161_a A. Make M 265 3300
abc331_c C. Sum of Numbers Greater Than Me 268 9206
arc152_a A. Seat Occupation 269 3687
abc326_c C. Peak 274 9681
abc315_c C. Flavors 312 9266
abc314_c C. Rotate Colored Subsequence 337 8824
abc309_c C. Medicine 344 8673
arc157_a A. XXYYX 344 3651
arc147_a A. Max Mod Min 347 3829
arc132_a A. Permutation Grid 347 3430
abc302_b B. Find snuke 349 7608
abc323_c C. World Tour Finals 354 10416
arc151_a A. Equal Hamming Distances 355 3586
arc154_a A. Swap Digit 364 3339
abc304_c C. Virus 365 7774
abc273_c C. (K+1)-th Largest Number 369 7616
arc163_a A. Divide String 373 3562
abc294_d D. Bank 385 7643
abc276_c C. Previous Permutation 389 8398
abc318_c C. Blue Spring 400 9942
abc325_c C. Sensors 400 7762
abc341_c C. Takahashi Gets Lost 406 8796
abc258_c C. Rotation 419 9770
abc252_c C. Slot Strategy 441 8647
arc162_a A. Ekiden Race 446 2760
abc311_c C. Find it! 448 9067
abc259_c C. XX to XXX 451 8596
abc283_d D. Scope 453 7601
arc174_a A. A Multiply 467 2936
abc302_c C. Almost Equal 469 7442
abc334_b B. Christmas Trees 479 8775
arc137_a A. Coprime Pair 480 4492
arc156_a A. Non-Adjacent Flip 510 3563
abc250_c C. Adjacent Swaps 517 8315
abc253_c C. Max - Min Query 518 8620
abc330_c C. Minimize Abs 2 519 8129
abc340_c C. Divide and Divide 528 8427
arc164_a A. Ternary Decomposition 532 3862
abc256_c C. Filling 3x3 array 541 7767
abc298_c C. Cards Query Problem 548 7270
arc142_a A. Reverse and Minimize 552 3229
abc328_d D. Take ABC 555 8619
arc161_b B. Exactly Three Bits 563 2764
abc286_c C. Rotate and Palindrome 565 6987
abc330_d D. Counting Ls 569 7210
abc255_c C. ±1 Operation 1 574 7802
abc292_d D. Unicyclic Components 579 7188
abc314_d D. LOWER 585 7600
abc321_c C. 321-like Searcher 591 9942
arc145_a A. AB Palindrome 596 4482
arc139_a A. Trailing Zeros 599 3075
abc308_c C. Standings 605 8632
arc171_a A. No Attacking 614 2908
abc308_d D. Snuke Maze 619 7150
abc309_d D. Add One Edge 621 6848
arc135_a A. Floor, Ceil - Decomposition 634 4108
abc324_c C. Error Correction 637 7463
arc148_a A. mod M 656 3830
abc307_d D. Mismatched Parentheses 666 6460
abc268_c C. Chinese Restaurant 676 6987
abc257_c C. Robot Takahashi 678 7219
abc313_c C. Approximate Equalization 2 681 7433
abc302_d D. Impartial Gift 682 6402
abc258_d D. Trophy 687 7690
arc142_b B. Unbalanced Squares 692 2781
arc159_a A. Copy and Paste Graph 698 2952
arc158_a A. +3 +5 +7 720 2968
abc265_d D. Iroha and Haiku (New ABC Edition) 727 6755
arc170_a A. Yet Another AB Problem 750 2716
arc132_b B. Shift and Reverse 753 2810
abc275_c C. Counting Squares 760 5816
arc145_b B. AB Game 767 3447
abc303_d D. Shift vs. CapsLock 778 6177
abc340_d D. Super Takahashi Bros. 784 6189
abc272_d D. Root M Leaper 804 6182
arc138_a A. Larger Score 837 3520
abc271_c C. Manga 842 6935
abc346_d D. Gomamayo Sequence 845 6246
arc172_a A. Chocolate 851 2106
abc323_d D. Merge Slimes 852 6476
abc277_d D. Takahashi's Solitaire 873 5462
arc149_a A. Repdigit Number 878 3182
arc174_b B. Bought Review 882 2240
arc137_b B. Count 1's 883 3504
arc144_b B. Gift Tax 895 3314
arc175_b B. Parenthesis Arrangement 924 1840
abc317_d D. President 929 5752
arc134_b B. Reserve or Reverse 934 3234
arc138_b B. 01 Generation 934 3037
arc163_b B. Favorite Game 936 2861
abc295_d D. Three Days Ago 939 6690
arc140_a A. Right String 951 2801
arc150_a A. Continuous 1 952 3084
agc063_a A. Mex Game 952 1768
abc304_e E. Good Graph 971 4714
arc148_b B. dp 975 2819
arc149_b B. Two LIS Sum 983 2602
abc302_e E. Isolation 988 4845
agc064_a A. i i's 996 1606
abc296_d D. M<=ab 999 6511
abc330_e E. Mex and Update 1004 5217
abc331_e E. Set Meal 1018 5028
arc154_b B. New Place 1027 2510
abc290_d D. Marking 1036 4509
abc308_e E. MEX 1042 4963
abc346_e E. Paint 1053 5042
arc173_a A. Neq Number 1073 1840
arc140_b B. Shorten ARC 1092 2427
abc287_e E. Karuta 1093 4433
abc320_e E. Somen Nagashi 1096 4631
agc062_a A. Right Side Character 1099 1398
abc303_e E. A Gift From the Stars 1113 4093
arc162_b B. Insertion Sort 2 1124 1799
arc166_a A. Replace C or Swap AB 1126 2170
arc175_a A. Spoon Taking Problem 1132 1769
arc166_b B. Make Multiples 1134 2096
agc058_a A. Make it Zigzag 1134 1754
abc324_e E. Joint Two Strings 1153 4295
abc340_e E. Mancala 2 1157 3762
abc347_e E. Set Add Query 1166 4227
arc147_b B. Swap to Sort 1167 2349
arc169_a A. Please Sign 1171 2466
arc170_b B. Arithmetic Progression Subsequence 1180 1997
arc164_b B. Switching Travel 1189 2611
arc164_c C. Reversible Card Game 1199 2410
wtf22_day1_a A. Save the Monsters 1246 515
abc310_e E. NAND repeatedly 1261 3816
abc299_e E. Nearest Black Vertex 1262 3737
abc292_e E. Transitivity 1272 4177
arc160_b B. Triple Pair 1275 1724
arc160_a A. Reverse and Count 1275 1673
arc168_b B. Arbitrary Nim 1289 1704
arc167_b B. Product of Divisors 1292 2196
abc311_e E. Defect-free Squares 1293 4052
arc176_b B. Simple Math 4 1298 1400
abc307_c C. Ideal Sheet 1307 3305
abc322_d D. Polyomino 1310 3580
arc133_b B. Dividing Subsequence 1317 2401
arc151_b B. A < AP 1333 2234
arc146_b B. Plus and AND 1335 2011
abc298_e E. Unfair Sugoroku 1341 3186
agc060_a A. No Majority 1345 1552
arc176_a A. 01 Matrix Again 1346 1369
abc319_e E. Bus Stops 1353 3622
arc136_b B. Triple Shift 1358 2535
abc331_d D. Tile Pattern 1361 3758
arc165_b B. Sliding Window Sort 2 1364 1846
abc325_d D. Printing Machine 1367 3569
abc310_d D. Peaceful Teams 1368 3936
arc153_b B. Grid Rotations 1369 2063
arc171_b B. Chmax 1374 1635
arc161_d D. Everywhere is Sparser than Whole (Construction) 1379 1460
arc169_b B. Subsegments with Small Sums 1387 1830
agc057_a A. Antichain of Integer Strings 1389 1506
abc271_e E. Subsequence Path 1402 3567
arc156_b B. Mex on Blackboard 1415 1854
arc143_b B. Counting Grids 1433 1990
arc159_b B. GCD Subtraction 1438 1951
arc158_b B. Sum-Product Ratio 1446 1872
abc285_e E. Work or Rest 1466 2809
arc150_b B. Make Divisible 1466 1958
abc328_f F. Good Set Query 1477 2961
abc290_e E. Make it Palindrome 1485 2694
arc148_c C. Lights Out on Tree 1488 1931
arc172_c C. Election 1498 1325
abc221_e E. LEQ 1515 3392
abc340_f F. S = 1 1516 2574
abc255_e E. Lucky Numbers 1519 3179
abc266_f F. Well-defined Path Queries on a Namori 1525 3071
arc157_b B. XYYYX 1529 1657
abc265_e E. Warp 1531 3538
abc315_d D. Magical Cookies 1531 3092
abc323_f F. Push and Carry 1532 2195
abc312_f F. Cans and Openers 1534 2791
abc329_e E. Stamp 1539 3191
abc335_e E. Non-Decreasing Colorful Path 1540 2999
abc258_e E. Packing Potatoes 1545 3046
arc155_a A. ST and TS Palindrome 1548 1616
abc306_f F. Merge Sets 1557 2337
arc134_c C. The Majority 1560 1993
abc276_f F. Double Chance 1562 2523
arc155_b B. Abs Abs Function 1565 1481
abc298_f F. Rook Score 1568 2354
arc133_c C. Row Column Sums 1583 1675
abc261_f F. Sorting Color Balls 1587 2629
abc240_f F. Sum Sum Max 1589 2338
arc174_d D. Digit vs Square Root 1592 1281
arc173_b B. Make Many Triangles 1594 1265
arc140_c C. ABS Permutation (LIS ver.) 1596 1557
abc350_f F. Transpose 1601 2039
abc341_f F. Breakdown 1604 2109
abc275_f F. Erase Subarrays 1608 2492
arc132_c C. Almost Sorted 1616 1648
abc304_f F. Shift Table 1619 2074
arc144_c C. K Derangement 1622 1634
abc273_e E. Notebook 1624 2734
abc321_e E. Complete Binary Tree 1627 2744
arc152_b B. Pass on Path 1628 1391
agc061_a A. Long Shuffle 1643 912
arc162_c C. Mex Game on Tree 1655 1335
abc224_e E. Integers on Grid 1657 2544
abc244_f F. Shortest Good Path 1661 2079
agc063_b B. Insert 1, 2, 3, ... 1663 1046
abc313_e E. Duplicate 1672 2469
abc301_e E. Pac-Takahashi 1673 2287
abc260_e E. At Least One 1692 2632
agc065_a A. Shuffle and mod K 1701 789
abc251_f F. Two Spanning Trees 1703 2223
arc147_c C. Min Diff Sum 1704 1623
arc174_c C. Catastrophic Roulette 1706 1130
abc330_f F. Minimize Bounding Square 1718 2016
abc262_e E. Red and Blue Graph 1719 2361
abc224_f F. Problem where +s Separate Digits 1733 2030
abc314_f F. A Certain Game 1736 2059
arc161_c C. Dyed by Majority (Odd Tree) 1746 1139
abc288_d D. Range Add Query 1757 2589
abc325_f F. Sensor Optimization Dilemma 1769 1746
abc333_f F. Bomb Game 2 1770 1742
abc283_f F. Permutation Distance 1771 1979
abc257_f F. Teleporter Setting 1775 2264
agc064_b B. Red and Blue Spanning Tree 1787 845
abc283_e E. Don't Isolate Elements 1802 2187
arc150_c C. Path and Subsequence 1802 1479
arc157_c C. YY Square 1802 1317
arc143_c C. Piles of Pebbles 1805 1411
abc268_f F. Best Concatenation 1807 1894
abc296_f F. Simultaneous Swap 1811 1677
arc166_c C. LU / RD Marking 1813 1180
abc324_f F. Beautiful Path 1815 2253
abc312_g G. Avoid Straight Line 1819 1824
abc338_f F. Negative Traveling Salesman 1835 1831
abc346_f F. SSttrriinngg in StringString 1840 1848
abc300_f F. More Holidays 1846 1789
abc237_f F. |LIS| = 3 1857 2115
abc232_f F. Simple Operations on Sequence 1857 1772
arc160_c C. Power Up 1861 1086
arc158_c C. All Pair Digit Sums 1875 1347
abc285_f F. Substring of Sorted String 1876 1674
abc264_f F. Monochromatic Path 1878 1705
arc154_c C. Roller 1881 1114
agc059_b B. Arrange Your Balls 1887 828
abc294_f F. Sugar Water 2 1891 1962
abc302_g G. Sort from 1 to 4 1891 1368
arc125_c C. LIS to Original Sequence 1896 1434
abc229_f F. Make Bipartite 1917 1815
abc268_e E. Chinese Restaurant (Three-Star Version) 1927 1509
arc151_c C. 01 Game 1940 1271
abc236_f F. Spices 1943 1884
abc258_g G. Triangle 1944 2278
agc057_b B. 2A + x 1952 913
abc348_f F. Oddly Similar 1955 1835
abc239_f F. Construct Highway 1959 1705
arc153_c C. ± Increasing Sequence 1960 1172
abc259_f F. Select Edges 1961 2032
arc164_d D. 1D Coulomb 1963 1052
abc249_e E. RLE 1970 1682
agc059_a A. My Last ABC Problem 1970 845
abc311_f F. Yet Another Grid Task 1984 1468
abc297_f F. Minimum Bounding Box 2 1990 1442
abc260_f F. Find 4-cycle 1995 1892
agc060_b B. Unique XOR Path 1996 802
arc134_d D. Concatenate Subsequences 1998 1157
abc288_e E. Wish List 2000 1622
arc169_c C. Not So Consecutive 2005 898
abc308_g G. Minimum Xor Pair Query 2008 1638
arc173_c C. Not Median 2008 742
abc318_f F. Octopus 2009 1558
arc148_d D. mod M Game 2009 1208