Wanted

4815:problems_untagged

ID Name Difficulty Solver
arc147_e E. Examination 2553 885
arc128_d D. Neq Neq 2554 824
abc348_g G. Max (Sum - Max) 2559 711
abc267_g G. Increasing K Times 2561 937
abc365_f I. Takahashi on Grid 2561 649
abc395_g G. Minimum Steiner Tree 2 2561 526
abc360_f I. InterSections 2563 800
abc225_g G. X 2566 649
arc156_d D. Xor Sum 5 2568 790
arc162_d D. Smallest Vertices 2568 614
arc176_d D. Swap Permutation 2572 585
abc338_g G. evall 2573 483
arc187_c C. 1 Loop Bubble Sort 2574 572
abc320_g G. Slot Strategy 2 (Hard) 2575 708
arc163_d D. Sum of SCC 2581 1016
arc209_d D. A_A_i 2583 281
arc165_d D. Substring Comparison 2589 757
arc127_d D. Sum of Min of Xor 2593 807
arc173_d D. Bracket Walk 2598 758
abc434_f I. Concat (2nd) 2600 469
arc107_e E. Mex Mat 2604 971
acl1_e E. Shuffle Window 2605 400
abc231_g G. Balls in Boxes 2606 851
abc288_g G. 3^N Minesweeper 2606 723
abc374_g G. Only One Product Name 2608 584
abc225_f I. String Cards 2612 1399
abc361_g G. Go Territory 2613 632
abc335_g G. Discrete Logarithm Problems 2614 623
abc409_g G. Accumulation of Wealth 2616 302
abc282_h Ex. Min + Sum 2621 956
abc423_g G. Small Multiple 2 2625 267
agc074_b B. Swap if Equal Length and Sum 2626 261
arc217_d D. Greedy Customer 2626 253
agc075_d D. Max Prod Plus 2627 176
arc220_c C. Range Increment 2630 239
arc191_d D. Moving Pieces on Graph 2631 359
abc449_g G. Many Repunit Sum 2 2631 240
arc201_e E. Total Area of Bounding Boxes 2635 409
abc287_h Ex. Directed Graph and Query 2639 721
arc158_e E. All Pair Shortest Paths 2641 584
abc304_h Ex. Constrained Topological Sort 2642 639
arc197_e E. Four Square Tiles 2647 416
abc317_g G. Rearranging 2649 698
arc185_d D. Random Walk on Tree 2649 629
arc164_e E. Segment-Tree Optimization 2651 562
arc214_e E. Swap K times 2651 250
abc444_f I. Half and Median 2654 491
abc349_g G. Palindrome Construction 2655 563
arc133_d D. Range XOR 2658 530
abc264_h Ex. Perfect Binary Tree 2660 425
arc109_e E. 1D Reversi Builder 2661 470
arc219_f F. Range Division 2661 200
abc213_g G. Connectivity 2 2663 1162
arc146_d D. >=< 2663 690
arc217_e E. Tree Growing 2663 249
arc153_d D. Sum of Sum of Digits 2664 695
abc247_h Ex. Rearranging Problem 2664 396
abc354_g G. Select Strings 2665 624
abc331_g G. Collect Them All 2668 439
arc218_d D. I like Increasing 2674 242
abc246_h Ex. 01? Queries 2677 993
abc419_g G. Count Simple Paths 2 2677 457
arc127_e E. Priority Queue 2678 770
agc060_c C. Large Heap 2680 756
abc283_h Ex. Popcount Sum 2682 516
abc239_h Ex. Dice Product 2 2686 721
arc180_d D. Division into 3 2694 649
abc310_g G. Takahashi And Pass-The-Ball Game 2696 518
agc061_c C. First Come First Serve 2697 869
arc218_e E. Reverse and Reverse 2705 158
abc258_h Ex. Odd Steps 2708 557
abc228_g G. Digits on Grid 2711 554
arc151_e E. Keep Being Substring 2713 680
arc119_d D. Grid Repainting 3 2713 618
arc179_d D. Portable Gate 2717 518
arc192_d D. Fraction Line 2722 381
codefestival_2016_qualA_e E. LRU Puzzle 2723 392
abc295_h Ex. E or m 2728 425
abc228_h H. Histogram 2729 538
abc255_g G. Constrained Nim 2734 593
arc195_e E. Random Tree Distance 2734 383
arc212_f F. Add Integer 2735 243
abc303_g G. Bags Game 2736 436
arc140_e E. Not Equal Rectangle 2739 658
arc135_d D. Add to Square 2750 679
abc307_h Ex. Marquee 2754 268
arc222_d D. Shift and Add 2755 144
abc249_g G. Xor Cards 2756 519
abc253_h Ex. We Love Forest 2758 491
abc389_g G. Odd Even Graph 2762 358
arc194_e E. Swap 0^X and 1^Y 2765 304
arc126_e E. Infinite Operations 2766 540
abc198_f F. Cube 2769 590
abc223_h H. Xor Query 2771 797
abc250_h Ex. Trespassing Takahashi 2773 459
agc071_c C. Orientable as Desired 2774 309
abc332_g G. Not Too Many Balls 2775 588
arc186_d D. Polish Mania 2776 385
abc417_g G. Binary Cat 2778 468
arc162_e E. Strange Constraints 2780 639
abc232_h H. King's Tour 2780 409
agc072_a A. Rhythm Game 2781 240
arc165_e E. Random Isolation 2783 772
arc148_e E. ≥ K 2785 839
abc318_h Ex. Count Strong Test Cases 2785 278
abc298_h Ex. Sum of Min of Length 2792 339
abc221_h H. Count Multiset 2793 1018
agc077_b B. Long Increasing Walk 2794 125
arc190_d D. Matrix Pow Sum 2802 304
abc261_g G. Replace 2803 406
agc055_c C. Weird LIS 2803 394
arc184_d D. Erase Balls 2D 2804 610
abc218_h H. Red and Blue Lamps 2805 896
abc213_h H. Stroll 2806 515
abc437_g G. Colorful Christmas Tree 2806 246
agc051_d D. C4 2807 586
abc237_h Ex. Hakata 2807 532
abc315_h Ex. Typical Convolution Problem 2807 337
agc064_d D. Red and Blue Chips 2808 426
abc453_f F. Avoid Division 2811 339
arc169_d D. Add to Make a Permutation 2812 410
abc400_g G. Patisserie ABC 3 2813 355
arc139_d D. Priority Queue 2 2816 656
cf17_final_e E. Combination Lock 2817 438
abc296_h Ex. Unite 2822 219
arc104_e E. Random LIS 2824 675
arc106_e E. Medals 2825 1104
agc067_c C. Divisibility Homomorphism 2829 223
abc293_h Ex. Optimal Path Decomposition 2831 323
abc458_g G. Children Yearn for the Evil Kindergarten 2831 193
abc242_h Ex. Random Painting 2835 573
abc460_g G. Vertex Flip Query 2838 146
abc280_g G. Do Use Hexagon Grid 2 2842 275
agc071_b B. Maximum Bracket Subsequence 2842 192
arc200_e E. popcount <= 2 2852 350
abc297_h Ex. Diff Adjacent 2855 221
abc376_g G. Treasure Hunting 2858 452
agc069_b B. Pair Guessing 2859 246
abc308_h Ex. Make Q 2861 368
arc184_b B. 123 Set 2867 544
arc173_e E. Rearrange and Adjacent XOR 2869 369
arc209_c C. Adjusting a Rectangle 2869 141
agc045_b B. 01 Unbalanced 2873 728
arc125_e E. Snack 2874 870
abc347_g G. Grid Coloring 2 2876 391
abc322_g G. Two Kinds of Base 2876 269
arc157_e E. XXYX Binary Tree 2877 642
abc244_h Ex. Linear Maximization 2878 386
agc053_c C. Random Card Game 2878 350
arc187_d D. Many Easy Optimizations 2880 376
arc183_d D. Keep Perfectly Matched 2880 353
abc241_h Ex. Card Deck Score 2881 517
codefestival_2016_qualC_e E. Encyclopedia of Permutations 2885 217
abc224_h H. Security Camera 2 2887 400
arc141_d D. Non-divisible Set 2890 519
abc254_g G. Elevators 2890 369
arc158_d D. Equation 2893 799
abc236_h Ex. Distinct Multiples 2898 660
abc301_h Ex. Difference of Distance 2898 234
arc221_c C. Two Deques Sorting 2899 126
arc206_e E. Rectangle Coloring 2902 205
agc059_c C. Guessing Permutation for as Long as Possible 2905 600
abc271_h Ex. General General 2908 248
arc179_e E. Rectangle Concatenation 2909 283
abc221_g G. Jumping sequence 2914 1056
abc277_h Ex. Constrained Sums 2917 473
arc196_c C. Strongly Connected 2917 196
abc351_g G. Hash on Tree 2920 579
abc372_g G. Ax + By < C 2925 234
agc051_c C. Flipper 2928 297
agc074_c C. PORALIS 2928 184
abc386_g G. Many MST 2930 296
agc064_c C. Erase and Divide Game 2932 393
arc172_d D. Distance Ranking 2936 626
arc142_d D. Deterministic Placing 2938 413
abc314_h Ex. Disk and Segments 2938 264
wtf22_day1_b B. Non-Overlapping Swaps 2945 110
arc221_d D. Two Balanced Subtrees 2946 141
abc397_g G. Maximize Distance 2947 444
agc068_a A. Circular Distance 2948 247
agc066_e E. Sliding Puzzle On Tree 2950 158
arc196_d D. Roadway 2956 203
abc262_h Ex. Max Limited Sequence 2957 616
arc210_e E. Subset Sum Gaps 2957 289
arc215_f F. Scapus 2959 145
abc248_h Ex. Beautiful Subsequences 2960 411
arc207_d D. Devourers and Cake 2965 197
abc235_h Ex. Painting Weighted Graph 2967 314
abc327_g G. Many Good Tuple Problems 2968 309
abc427_g G. Takahashi's Expectation 2 2975 141
agc070_c C. No Streak 2983 270
abc299_h Ex. Dice Sum Infinity 2984 183
agc072_c C. Human Exercise 2984 174
abc387_g G. Prime Circuit 2986 146
arc198_e E. Monotone OR 2988 268
arc152_e E. Xor Annihilation 2990 372
arc149_d D. Simultaneous Sugoroku 2991 654
agc058_c C. Planar Tree 2991 384
abc355_g G. Baseball 2991 263
arc182_d D. Increment Decrement Again 2992 284
abc440_g G. Haunted House 2993 149
abc329_g G. Delivery on Tree 2995 168
arc168_e E. Subsegments with Large Sums 3001 585
arc155_d D. Avoid Coprime Game 3001 481
arc204_c C. Maximize Sum of Mex 3004 162
abc313_h Ex. Group Photo 3008 449
arc141_e E. Sliding Edge on Torus 3009 314
arc190_c C. Basic Grid Problem with Updates 3010 260
abc252_h Ex. K-th beautiful Necklace 3015 392
abc414_g G. AtCoder Express 4 3020 299
abc356_g G. Freestyle 3022 215
abc439_g G. Sugoroku 6 3023 99
arc134_e E. Modulo Nim 3026 487
abc383_g G. Bar Cover 3026 403
abc309_h Ex. Simple Path Counting Problem 3029 237
agc077_c C. Reverse and DAG 3029 85
arc124_e E. Pass to Next 3031 772
abc344_g G. Points and Comparison 3032 236
arc137_e E. Bakery 3034 393
arc171_e E. Rookhopper's Tour 3034 264
agc066_c C. Delete AAB or BAA 3036 390
abc418_g G. Binary Operation 3038 151
abc263_h Ex. Intersection 2 3041 226
abc220_h H. Security Camera 3047 396
arc193_c C. Grid Coloring 3 3047 254
arc128_e E. K Different Values 3049 317
abc378_g G. Everlasting LIDS 3051 195
abc245_h Ex. Product Modulo 2 3057 387
abc294_h Ex. K-Coloring 3058 306
abc225_h H. Social Distance 2 3061 266
arc191_e E. Unfair Game 3063 157
arc211_e E. Greedy Takahashi 2 3064 91
tenka1_2012_12 D. ゆうびんやさんのお花畑 3066 19
arc208_d D. Symmetric Matrix 3070 156
arc132_f F. Takahashi The Strongest 3076 426
agc076_b B. Split and Reverse 3079 158
arc216_d D. GCD of Product of Arithmetic Progression 3079 100
abc276_h Ex. Construct a Matrix 3087 224
code_festival_2017_quala_f F. Squeezing Slimes 3091 275
abc323_g G. Inversion of Tree 3091 142
arc118_e E. Avoid Permutations 3092 707
abc455_g G. Balanced Subarrays 3092 147
arc120_f F. Wine Thief 3094 481
mujin_pc_2017_c C. Robot and String 3096 415
agc073_b B. Cyclic Jump 3096 272
ahc004_a A. Alien's Genome Assembly 3097 822
nomura2020_f F. Sorting Game 3097 343
arc182_e E. Sum of Min of Mod of Linear 3098 173
arc136_e E. Non-coprime DAG 3100 681
abc313_f I. Flip Machines 3100 407
arc176_e E. Max Vector 3101 449
abc215_h H. Cabbage Master 3101 383
arc161_f F. Everywhere is Sparser than Whole (Judge) 3106 357
arc184_c C. Mountain and Valley Folds 3108 263
abc251_h Ex. Fill Triangle 3108 168
abc367_g G. Sum of (XOR^K or 0) 3110 259
arc199_c C. Circular Tree Embedding 3111 225
abc217_h H. Snuketoon 3112 718
abc262_g G. LIS with Stack 3114 345
arc202_d D. King 3116 118
discovery_2016_qual_d D. DDPC特別ビュッフェ 3116 45
agc065_d D. Not Intersect 3117 240
abc444_g G. Kyoen 3117 86
abc459_g G. Golf 2 3123 94
arc116_f F. Deque Game 3125 439
abc284_h Ex. Count Unlabeled Graphs 3125 208
arc107_f F. Sum of Abs 3130 895
arc146_e E. Simple Speed 3131 497
code_festival_final_g G. 魔方陣 3132 46
arc161_e E. Not Dyed by Majority (Cubic Graph) 3136 401
abc336_g G. 16 Integers 3138 270
arc192_e E. Snuke's Kyoto Trip 3142 190
arc132_e E. Paw 3144 520
dwango2016qual_e E. 花火 3144 254
agc072_b B. AGC Language 3148 111
arc135_e E. Sequence of Multiples 3157 300
agc058_d D. Yet Another ABC String 3159 709
abc270_h Ex. add 1 3159 397
abc357_g G. Stair-like Grid 3159 126
arc117_e E. Zero-Sum Ranges 2 3166 702
agc023_d D. Go Home 3173 854
ahc005_a A. Patrolling 3173 772
arc170_e E. BDFS 3174 235
abc304_g G. Max of Medians 3177 252
arc186_e E. Missing Subsequence 3178 198
arc188_d D. Mirror and Order 3178 151
abc281_h Ex. Alchemy 3180 181
agc068_c C. Ball Redistribution 3182 158
tenka1_2013_qualB_d D. 天下一二三パズル リベンジ 3182 20
abc240_h Ex. Sequence of Substrings 3184 720
arc149_e E. Sliding Window Sort 3188 369
arc130_e E. Increasing Minimum 3188 256
arc162_f F. Montage 3190 380
abc274_h Ex. XOR Sum of Arrays 3191 249
abc285_h Ex. Avoid Square Number 3192 292
rcl_contest_2021_long_a A. Farm King X 3195 514
abc406_g G. Travelling Salesman Problem 3197 121
arc160_f F. Count Sorted Arrays 3202 341
agc073_c C. Product of Max of Sum of Subtree 3202 166
arc213_d D. Minimize Inversion 3202 69