Wanted

4810:problems_untagged

ID Name Difficulty Solver
abc447_d D. Take ABC 2 430 8412
abc452_c E. Fishbones 435 8945
arc178_a A. Good Permutation 2 438 2900
abc354_c E. AtCoder Magics 441 11729
abc252_c F. Slot Strategy 441 9856
arc214_a A. Same Sum Grid Path 442 1911
abc385_c F. Illuminate Buildings 446 9632
arc162_a A. Ekiden Race 446 3094
abc311_c F. Find it! 448 10775
abc298_c F. Cards Query Problem 448 8877
abc458_d D. Chalkboard Median 450 9488
abc259_c E. XX to XXX 451 10043
abc283_d G. Scope 453 9026
arc181_a A. Sort Left and Right 456 3392
abc426_c F. Upgrade Required 458 9919
arc174_a A. A Multiply 467 3654
abc302_c F. Almost Equal 469 9582
abc405_d G. Escape Route 471 9744
abc382_c E. Kaiten Sushi 476 9435
abc334_b C. Christmas Trees 479 10832
arc137_a A. Coprime Pair 480 5012
arc203_a A. All Winners 481 2427
abc428_c F. Brackets Stack Query 483 8833
abc437_c F. Reindeer and Sleigh 2 489 9170
arc222_a A. Colorful Intervals 500 1361
arc179_a A. Partition 504 3380
abc437_d G. Sum of Differences 509 8197
arc156_a A. Non-Adjacent Flip 510 3924
abc250_c E. Adjacent Swaps 517 9921
abc253_c F. Max - Min Query 518 10263
abc330_c E. Minimize Abs 2 519 10283
abc340_c E. Divide and Divide 528 10811
arc164_a A. Ternary Decomposition 532 4230
abc393_d G. Swap to Gather 533 9635
arc195_a A. Twice Subsequence 538 2292
arc183_a A. Median of Good Sequences 539 2554
abc256_c F. Filling 3x3 array 541 9119
abc446_d G. Max Straight 550 7696
arc211_a A. Banned X 2 550 1502
arc142_a A. Reverse and Minimize 552 3486
arc206_a A. Range Replace 554 2233
arc219_a A. Similarity 557 1804
arc161_b B. Exactly Three Bits 563 3090
abc286_c F. Rotate and Palindrome 565 8338
abc356_c E. Keys 568 10618
abc435_d G. Reachability Query 2 568 7265
abc330_d G. Counting Ls 569 8692
abc255_c F. ±1 Operation 1 574 8985
abc444_d D. Many Repunit Sum 574 7924
abc392_d G. Doubles 579 8890
abc292_d G. Unicyclic Components 579 8473
abc444_c C. AtCoder Riko 582 8283
abc314_d G. LOWER 585 9154
abc366_d G. Cuboid Sum Query 586 8911
abc456_d D. Not Adjacent 2 586 7784
abc378_d G. Count Simple Paths 587 8731
abc321_c E. 321-like Searcher 591 11821
arc145_a A. AB Palindrome 596 4919
arc139_a A. Trailing Zeros 599 3323
abc396_d G. Minimum XOR Path 601 9199
abc308_c F. Standings 605 10612
abc412_c E. Giant Domino 607 8634
arc171_a A. No Attacking 614 3312
abc308_d G. Snuke Maze 619 8821
abc309_d G. Add One Edge 621 8368
abc439_d G. Kadomatsu Subsequence 627 6852
abc427_c E. Bipartize 629 7655
abc440_c C. Striped Horse 631 8011
abc436_d G. Teleport Maze 633 7217
arc135_a A. Floor, Ceil - Decomposition 634 4392
abc324_c F. Error Correction 637 9032
abc448_d G. Integer-duplicated Path 638 7492
abc450_d D. Minimize Range 647 8173
abc438_d D. Tail of Snake 652 7405
abc432_c E. Candy Tribulation 654 7085
arc148_a A. mod M 656 4298
abc415_c E. Mixture 657 8274
abc375_d G. ABA 658 9163
abc388_d G. Coming of Age Celebration 659 8463
abc384_d G. Repeated Sequence 666 8106
abc307_d G. Mismatched Parentheses 666 8053
abc268_c F. Chinese Restaurant 676 8176
abc457_d D. Raise Minimum 677 7348
abc257_c F. Robot Takahashi 678 8454
abc313_c F. Approximate Equalization 2 681 9028
abc302_d G. Impartial Gift 682 8064
abc416_d D. Match, Mod, Minimize 2 682 7874
abc382_d G. Keep Distance 685 7143
abc258_d G. Trophy 687 8859
arc142_b B. Unbalanced Squares 692 3026
abc374_d G. Laser Marking 694 7947
abc406_d G. Garbage Removal 694 7687
arc159_a A. Copy and Paste Graph 698 3241
abc420_d G. Toggle Maze 699 7271
abc459_d D. Adjacent Distinct String 701 7433
abc400_c F. 2^a b^2 702 10056
abc414_c E. Palindromic in Both Bases 709 8109
arc158_a A. +3 +5 +7 720 3392
abc265_d G. Iroha and Haiku (New ABC Edition) 727 7856
abc441_d G. Paid Walk 732 6798
abc355_d G. Intersecting Intervals 735 8780
abc443_d D. Pawn Line 738 6907
abc398_d G. Bonfire 746 8012
abc389_d G. Squares in Circle 749 7412
abc383_c F. Humidifier 3 750 8116
abc430_c F. Truck Driver 750 6365
arc170_a A. Yet Another AB Problem 750 3182
abc433_d G. 183183 752 6499
arc132_b B. Shift and Reverse 753 3052
abc422_c F. AtCoder AAC Contest 758 7504
abc275_c F. Counting Squares 760 7057
abc373_d G. Hidden Weights 765 8591
arc145_b B. AB Game 767 3700
abc409_d G. String Rotation 772 7856
abc303_d G. Shift vs. CapsLock 778 7768
arc217_a A. Min of Sum of XOR 779 1597
abc340_d G. Super Takahashi Bros. 784 8077
abc423_d G. Long Waiting 793 5347
abc455_d D. Card Pile Query 796 6487
arc201_a A. CatCoder Double Contest 797 1686
abc462_d D. Accomplice 798 6155
abc404_d G. Goin' to the Zoo 803 7262
abc272_d G. Root M Leaper 804 7355
abc387_d G. Snaky Walk 817 6409
abc418_d G. XNOR Operation 821 6910
abc402_d G. Line Crossing 827 7077
abc359_c F. Tile Distance 2 828 7959
arc138_a A. Larger Score 837 3814
abc414_d G. Transmission Mission 841 7043
abc271_c F. Manga 842 8309
abc346_d G. Gomamayo Sequence 845 7901
abc415_d G. Get Many Stickers 846 7081
abc380_d G. Strange Mirroring 849 7405
abc371_c E. Make Isomorphic 849 7199
arc172_a A. Chocolate 851 2561
abc323_d G. Merge Slimes 852 7801
abc451_d G. Concat Power of 2 856 6779
arc197_a A. Union of Grid Paths 860 2073
abc406_c E. ~ 862 7512
arc194_a A. Operations on a Stack 871 2338
abc277_d G. Takahashi's Solitaire 873 6468
arc149_a A. Repdigit Number 878 3528
abc425_d G. Ulam-Warburton Automaton 882 5791
arc137_b B. Count 1's 883 3882
abc383_d G. 9 Divisors 884 6826
abc356_d G. Masked Popcount 886 7799
abc426_d G. Pop and Insert 886 6657
arc219_b B. Reverse Permutation 891 1598
arc144_b B. Gift Tax 895 3724
abc372_d G. Buildings 901 7573
abc452_d D. No-Subsequence Substring 903 6081
abc429_d G. On AtCoder Conference 903 5482
abc434_d G. Clouds 909 4975
arc218_a A. Many Sets 912 1615
abc461_d D. Count Subgrid Sum = K 914 5932
abc395_d G. Pigeon Swap 919 7749
abc381_d G. 1122 Substring 921 5674
abc391_d G. Gravity 924 6168
arc175_b B. Parenthesis Arrangement 924 2353
abc449_d D. Make Target 2 927 5950
abc317_d G. President 929 7089
abc407_d G. Domino Covering XOR 930 6337
arc134_b B. Reserve or Reverse 934 3500
arc138_b B. 01 Generation 934 3314
arc163_b B. Favorite Game 936 3174
abc422_d G. Least Unbalanced 942 4614
abc413_d G. Make Geometric Sequence 943 6841
abc408_d G. Flip to Gather 950 6567
arc140_a A. Right String 951 3107
arc150_a A. Continuous 1 952 3374
agc063_a A. Mex Game 952 2030
abc447_e E. Divide Graph 955 5330
arc212_a A. Four TSP 957 1667
abc436_e H. Minimum Swap 958 5029
arc212_b B. Stones on Grid 962 1611
abc399_d G. Switch Seats 964 6463
abc441_e H. A > B substring 969 5254
abc304_e H. Good Graph 971 5798
abc375_c E. Spiral Rotation 972 6798
abc409_e H. Pair Annihilation 973 5901
arc148_b B. dp 975 3125
abc371_e H. I Hate Sigma Problems 981 6609
abc427_d G. The Simple Game 981 5236
abc435_e H. Cover query 982 4507
abc430_d G. Neighbor Distance 982 4496
arc149_b B. Two LIS Sum 983 2970
abc377_d G. Many Segments 2 987 5564
abc302_e H. Isolation 988 6079
arc210_a A. Always Increasing 995 1635
agc064_a A. i i's 996 1823
abc296_d G. M<=ab 999 7550
abc384_e H. Takahashi is Slime 2 1002 5762
abc330_e H. Mex and Update 1004 6529
abc453_d D. Go Straight 1011 5587
abc331_e H. Set Meal 1018 6040
abc411_d G. Conflict 2 1018 5885
abc400_d G. Takahashi the Wall Breaker 1026 6221
arc154_b B. New Place 1027 2834
abc398_f I. ABCBA 1033 5268
abc290_d G. Marking 1036 5342
abc308_e H. MEX 1042 6060
arc185_a A. mod M Game 2 1042 2328
abc410_d G. XOR Shortest Walk 1048 6328
arc194_b B. Minimum Cost Sort 1048 1907
arc182_b B. |{floor(A_i/2^k)}| 1049 2115
abc403_d D. Forbidden Difference 1052 5489
abc346_e H. Paint 1053 6348
arc177_c C. Routing 1055 2496
arc206_b B. Slime Swap 1059 1805
abc376_e H. Max × Sum 1063 6178
abc388_e H. Simultaneous Kagamimochi 1068 6504
arc173_a A. Neq Number 1073 2271
abc410_e H. Battles in a Row 1077 5709
arc208_b B. Sum of Mod 1087 1591
abc370_d G. Cross Explosion 1088 6650
arc140_b B. Shorten ARC 1092 2702
abc287_e H. Karuta 1093 5799
abc320_e H. Somen Nagashi 1096 5649
arc191_a A. Replace Digits 1096 1963
agc062_a A. Right Side Character 1099 1532
arc197_b B. Greater Than Average 1100 1977
abc365_e H. Xor Sigma Problem 1102 6582
abc445_d G. Reconstruct Chocolate 1102 4544
arc220_a A. Sum of Reciprocals of Squares 1105 973
arc215_a A. Zombie 1106 1535
abc444_e H. Sparse Range 1107 4769
abc430_e H. Shift String 1109 3809
arc182_a A. Chmax Rush! 1110 2214
abc417_e H. A Path in A Dictionary 1111 5343
arc191_b B. XOR = MOD 1111 1735
abc303_e H. A Gift From the Stars 1113 4980
arc162_b B. Insertion Sort 2 1124 2041
arc166_a A. Replace C or Swap AB 1126 2411
abc397_d G. Cubes 1132 6357
abc432_e H. Clamp 1133 3999
arc166_b B. Make Multiples 1134 2454
agc058_a A. Make it Zigzag 1134 1897
abc401_d G. Logical Filling 1148 5997
abc324_e H. Joint Two Strings 1153 5203
arc211_b B. Three Sequences 1154 1175
abc455_e H. Unbalanced ABC Substrings 1157 4320
abc347_e H. Set Add Query 1166 5622
abc428_e H. Farthest Vertex 1167 4254
arc147_b B. Swap to Sort 1167 2594
abc385_d G. Santa Claus 2 1171 5129
arc169_a A. Please Sign 1171 2744
abc368_f I. Dividing Game 1180 5122
arc170_b B. Arithmetic Progression Subsequence 1180 2320
abc423_e E. Sum of Subarrays 1183 3782
arc198_b B. Rivalry 1183 1661
abc412_d G. Make 2-Regular Graph 1186 4974
arc164_b B. Switching Travel 1189 2868
arc164_c C. Reversible Card Game 1199 2704
arc213_a A. Swapping Game 1208 937
abc446_e E. Multiple-Free Sequences 1209 3924
abc415_e H. Hungry Takahashi 1212 4667
abc456_e E. Endless Holidays 1214 4179
abc451_e H. Tree Distance 1215 4188
abc424_d G. 2x2 Erasing 2 1215 3847
abc460_d D. Repeatedly Repainting 1216 4611
abc299_e H. Nearest Black Vertex 1216 4551
arc215_b B. Stolen Necklace 1216 1447
abc392_e H. Cables and Servers 1218 5064
abc425_e H. Count Sequences 2 1221 4228
abc408_e H. Minimum OR Path 1222 4842
abc354_e H. Remove Pairs 1223 5170
abc400_e H. Ringo's Favorite Numbers 3 1226 5051
abc438_e H. Heavy Buckets 1226 3993
abc462_e E. Alternating Costs 1226 3510
abc390_e E. Vitamin Balance 1227 4771
abc417_d G. Takahashi's Expectation 1230 4919
arc193_a A. Complement Interval Graph 1234 1170
abc398_e H. Tree Game 1238 4221
abc428_d D. 183184 1239 4259
abc413_e H. Reverse 2^i 1241 4398
abc379_e H. Sum of All Substrings 1246 4703
wtf22_day1_a A. Save the Monsters 1246 643
abc387_c E. Snake Numbers 1249 4966
abc393_e H. GCD of Subset 1253 5582
abc405_e E. Fruit Lineup 1259 4903
abc310_e H. NAND repeatedly 1261 4586
abc401_e H. Reachable Set 1270 4641
abc292_e H. Transitivity 1272 4958
abc359_e H. Water Tank 1275 5421
arc160_b B. Triple Pair 1275 2055
arc160_a A. Reverse and Count 1275 1937
abc437_e E. Sort Arrays 1279 3663
abc418_e H. Trapezium 1282 4214
abc393_f I. Prefix LIS Query 1284 4240
arc209_a A. Bracket Game 1284 984
abc404_e H. Bowls and Beans 1286 4591
arc168_b B. Arbitrary Nim 1289 2067
arc167_b B. Product of Divisors 1292 2501
abc311_e H. Defect-free Squares 1293 5069
abc414_e H. Count A%B=C 1296 4358
abc419_e H. Subarray Sum Divisibility 1298 4727
abc459_e E. Select from Subtrees 1298 3663
arc176_b B. Simple Math 4 1298 2082
abc298_e H. Unfair Sugoroku 1300 4071
abc369_e H. Sightseeing Tour 1301 4876