Wanted

3344:problems_untagged

ID Name Difficulty Solver
arc159_c C. Permutation Addition 2304 896
abc379_g G. Count Grid 3-coloring 2304 784
abc234_g G. Divide a Sequence 2306 1173
abc258_f F. Main Street 2306 1051
abc295_f F. substr = S 2306 915
abc246_g G. Game on Tree 3 2313 1130
arc167_d D. Good Permutation 2313 714
arc131_e E. Christmas Wreath 2314 807
abc315_g G. Ai + Bj + Ck = X (1 <= i, j, k <= N) 2315 1101
agc062_c C. Mex of Subset Sum 2320 571
abc271_g G. Access Counter 2323 718
abc307_g G. Approximate Equalization 2330 829
arc126_d D. Pure Straight 2332 870
abc262_f F. Erase and Rotate 2334 899
arc174_e E. Existence Counting 2336 629
abc260_g G. Scalene Triangle Area 2339 735
abc274_g G. Security Camera 3 2340 822
abc292_g G. Count Strictly Increasing Sequences 2340 709
arc141_c C. Bracket and Permutation 2342 714
abc300_g G. P-smooth number 2343 1204
abc384_g G. Abs Sum 2343 792
abc371_g G. Lexicographically Smallest Permutation 2348 774
abc264_g G. String Fair 2348 761
abc299_f F. Square Subsequence 2349 959
arc172_e E. Last 9 Digits 2358 698
abc309_g G. Ban Permutation 2372 831
abc226_g G. The baggage 2373 884
abc224_g G. Roll or Increment 2374 775
abc227_e E. Swap 2377 1313
arc171_d D. Rolling Hash 2377 742
abc373_g G. No Cross Matching 2377 679
arc188_c C. Honest or Liar or Confused 2377 508
abc303_f F. Damage over Time 2381 836
arc152_d D. Halftree 2381 768
abc337_f F. Usual Color Ball Problems 2386 813
abc325_g G. offence 2388 1054
arc167_c C. MST on Line++ 2388 693
abc277_f F. Sorting a Matrix 2400 937
abc340_g G. Leaf Color 2401 874
abc298_g G. Strawberry War 2405 555
abc259_h Ex. Yet Another Path Counting 2406 1065
arc139_c C. One Three Nine 2406 634
arc150_d D. Removing Gacha 2407 1105
abc302_h Ex. Ball Collector 2407 798
agc062_b B. Split and Insert 2407 503
arc182_c C. Sum of Number of Divisors of Product 2408 659
abc366_g G. XOR Neighbors 2409 679
abc352_g G. Socks 3 2413 593
agc065_c C. Avoid Half Sum 2414 425
arc193_b B. Broken Wheel 2420 335
arc146_c C. Even XOR 2428 933
abc279_g G. At Most 2 Colors 2431 729
arc157_d D. YY Garden 2435 704
abc265_g G. 012 Inversion 2436 745
arc130_d D. Zigzag Tree 2437 695
abc236_g G. Good Vertices 2438 873
abc321_g G. Electric Circuit 2439 692
abc269_g G. Reversible Cards 2 2440 824
arc168_d D. Maximize Update 2440 819
arc186_c C. Ball and Box 2451 505
abc313_g G. Redistribution of Piles 2454 622
agc069_a A. Schedule Optimization 2460 280
abc235_g G. Gardens 2462 826
arc144_d D. AND OR Equation 2468 770
abc251_g G. Intersection of Polygons 2468 489
abc312_h Ex. snukesnuke 2477 645
abc319_f F. Fighter Takahashi 2480 864
agc056_c C. 01 Balanced 2481 988
arc160_d D. Mahjong 2485 726
abc277_g G. Random Walk to Millionaire 2491 673
abc385_g G. Counting Buildings 2492 397
arc178_d D. Delete Range Mex 2498 606
agc063_c C. Add Mod Operations 2500 464
abc324_g G. Generate Arrays 2501 569
abc303_h Ex. Constrained Tree Degree 2501 459
abc234_h Ex. Enumerate Pairs 2505 647
abc390_g G. Permutation Concatenation 2508 337
arc186_a A. Underclued 2511 512
abc248_g G. GCD cost on the tree 2514 723
abc230_g G. GCD Permutation 2516 663
arc143_e E. Reversi 2521 643
abc273_g G. Row Column Sums 2 2521 573
abc275_g G. Infinite Knapsack 2522 429
abc233_h Ex. Manhattan Christmas Tree 2530 628
abc261_h Ex. Game on Graph 2531 680
abc278_g G. Generalized Subtraction Game 2533 530
abc333_g G. Nearest Fraction 2536 542
abc219_f F. Cleaning Robot 2542 688
abc301_f F. Anti-DDoS 2548 635
abc232_g G. Modulo Shortest Path 2550 949
arc147_e E. Examination 2553 802
arc128_d D. Neq Neq 2554 733
abc348_g G. Max (Sum - Max) 2559 613
abc267_g G. Increasing K Times 2561 769
abc365_f F. Takahashi on Grid 2561 570
abc395_g G. Minimum Steiner Tree 2 2561 412
abc360_f F. InterSections 2563 714
abc225_g G. X 2566 576
arc156_d D. Xor Sum 5 2568 702
arc162_d D. Smallest Vertices 2568 551
arc176_d D. Swap Permutation 2572 502
abc338_g G. evall 2573 439
arc187_c C. 1 Loop Bubble Sort 2574 443
abc320_g G. Slot Strategy 2 (Hard) 2575 647
arc163_d D. Sum of SCC 2581 751
arc165_d D. Substring Comparison 2589 652
arc127_d D. Sum of Min of Xor 2593 681
arc173_d D. Bracket Walk 2598 626
arc107_e E. Mex Mat 2604 896
acl1_e E. Shuffle Window 2605 384
abc231_g G. Balls in Boxes 2606 687
abc288_g G. 3^N Minesweeper 2606 559
abc374_g G. Only One Product Name 2608 516
abc225_f F. String Cards 2612 1194
abc361_g G. Go Territory 2613 565
abc335_g G. Discrete Logarithm Problems 2614 538
abc282_h Ex. Min + Sum 2621 752
arc191_d D. Moving Pieces on Graph 2631 261
abc287_h Ex. Directed Graph and Query 2639 649
arc158_e E. All Pair Shortest Paths 2641 482
abc304_h Ex. Constrained Topological Sort 2642 501
abc317_g G. Rearranging 2649 600
arc185_d D. Random Walk on Tree 2649 541
arc164_e E. Segment-Tree Optimization 2651 447
abc349_g G. Palindrome Construction 2655 427
arc133_d D. Range XOR 2658 468
abc264_h Ex. Perfect Binary Tree 2660 408
arc109_e E. 1D Reversi Builder 2661 437
abc213_g G. Connectivity 2 2663 937
arc146_d D. >=< 2663 583
arc153_d D. Sum of Sum of Digits 2664 554
abc247_h Ex. Rearranging Problem 2664 358
abc354_g G. Select Strings 2665 562
abc331_g G. Collect Them All 2668 391
abc246_h Ex. 01? Queries 2677 749
arc127_e E. Priority Queue 2678 704
agc060_c C. Large Heap 2680 545
abc283_h Ex. Popcount Sum 2682 468
abc239_h Ex. Dice Product 2 2686 632
arc180_d D. Division into 3 2694 525
abc310_g G. Takahashi And Pass-The-Ball Game 2696 479
agc061_c C. First Come First Serve 2697 510
abc258_h Ex. Odd Steps 2708 536
abc228_g G. Digits on Grid 2711 469
arc151_e E. Keep Being Substring 2713 593
arc119_d D. Grid Repainting 3 2713 543
arc179_d D. Portable Gate 2717 463
arc192_d D. Fraction Line 2722 291
codefestival_2016_qualA_e E. LRU Puzzle 2723 386
abc295_h Ex. E or m 2728 373
abc228_h H. Histogram 2729 476
abc255_g G. Constrained Nim 2734 553
abc303_g G. Bags Game 2736 386
arc140_e E. Not Equal Rectangle 2739 599
arc135_d D. Add to Square 2750 594
abc307_h Ex. Marquee 2754 243
abc249_g G. Xor Cards 2756 464
abc253_h Ex. We Love Forest 2758 395
abc389_g G. Odd Even Graph 2762 314
arc194_e E. Swap 0^X and 1^Y 2765 166
arc126_e E. Infinite Operations 2766 516
abc198_f F. Cube 2769 518
abc223_h H. Xor Query 2771 609
abc250_h Ex. Trespassing Takahashi 2773 419
abc332_g G. Not Too Many Balls 2775 432
arc186_d D. Polish Mania 2776 281
arc162_e E. Strange Constraints 2780 511
abc232_h H. King's Tour 2780 390
arc165_e E. Random Isolation 2783 457
arc148_e E. ≥ K 2785 631
abc318_h Ex. Count Strong Test Cases 2785 257
abc298_h Ex. Sum of Min of Length 2792 302
abc221_h H. Count Multiset 2793 847
arc190_d D. Matrix Pow Sum 2802 233
abc261_g G. Replace 2803 375
agc055_c C. Weird LIS 2803 361
arc184_d D. Erase Balls 2D 2804 441
abc218_h H. Red and Blue Lamps 2805 689
abc213_h H. Stroll 2806 436
agc051_d D. C4 2807 488
abc237_h Ex. Hakata 2807 466
abc315_h Ex. Typical Convolution Problem 2807 295
agc064_d D. Red and Blue Chips 2808 330
arc169_d D. Add to Make a Permutation 2812 371
arc139_d D. Priority Queue 2 2816 461
cf17_final_e E. Combination Lock 2817 428
abc296_h Ex. Unite 2822 195
arc104_e E. Random LIS 2824 612
arc106_e E. Medals 2825 937
agc067_c C. Divisibility Homomorphism 2829 205
abc293_h Ex. Optimal Path Decomposition 2831 299
abc242_h Ex. Random Painting 2835 451
abc280_g G. Do Use Hexagon Grid 2 2842 264
abc297_h Ex. Diff Adjacent 2855 192
abc376_g G. Treasure Hunting 2858 419
agc069_b B. Pair Guessing 2859 217
abc308_h Ex. Make Q 2861 341
arc184_b B. 123 Set 2867 449
arc173_e E. Rearrange and Adjacent XOR 2869 326
agc045_b B. 01 Unbalanced 2873 610
arc125_e E. Snack 2874 711
abc347_g G. Grid Coloring 2 2876 329
abc322_g G. Two Kinds of Base 2876 251
arc157_e E. XXYX Binary Tree 2877 450
agc053_c C. Random Card Game 2878 319
abc244_h Ex. Linear Maximization 2878 315
arc187_d D. Many Easy Optimizations 2880 300
arc183_d D. Keep Perfectly Matched 2880 243
abc241_h Ex. Card Deck Score 2881 448
codefestival_2016_qualC_e E. Encyclopedia of Permutations 2885 215
abc224_h H. Security Camera 2 2887 312
arc141_d D. Non-divisible Set 2890 464
abc254_g G. Elevators 2890 334
arc158_d D. Equation 2893 623
abc236_h Ex. Distinct Multiples 2898 507
abc301_h Ex. Difference of Distance 2898 219
agc059_c C. Guessing Permutation for as Long as Possible 2905 450
abc271_h Ex. General General 2908 241
arc179_e E. Rectangle Concatenation 2909 262
abc221_g G. Jumping sequence 2914 879
abc277_h Ex. Constrained Sums 2917 332
abc351_g G. Hash on Tree 2920 354
abc372_g G. Ax + By < C 2925 197
agc051_c C. Flipper 2928 270
abc386_g G. Many MST 2930 226
agc064_c C. Erase and Divide Game 2932 333
arc172_d D. Distance Ranking 2936 493
arc142_d D. Deterministic Placing 2938 387
abc314_h Ex. Disk and Segments 2938 249
wtf22_day1_b B. Non-Overlapping Swaps 2945 106
agc068_a A. Circular Distance 2948 211
agc066_e E. Sliding Puzzle On Tree 2950 121
abc262_h Ex. Max Limited Sequence 2957 456
abc248_h Ex. Beautiful Subsequences 2960 382
abc235_h Ex. Painting Weighted Graph 2967 295
abc327_g G. Many Good Tuple Problems 2968 290
agc070_c C. No Streak 2983 167
abc299_h Ex. Dice Sum Infinity 2984 178
abc387_g G. Prime Circuit 2986 120
arc152_e E. Xor Annihilation 2990 327
arc149_d D. Simultaneous Sugoroku 2991 555
agc058_c C. Planar Tree 2991 348
abc355_g G. Baseball 2991 170
arc182_d D. Increment Decrement Again 2992 245
abc329_g G. Delivery on Tree 2995 162
arc168_e E. Subsegments with Large Sums 3001 454
arc155_d D. Avoid Coprime Game 3001 393
abc313_h Ex. Group Photo 3008 344
arc141_e E. Sliding Edge on Torus 3009 298
arc190_c C. Basic Grid Problem with Updates 3010 192
abc252_h Ex. K-th beautiful Necklace 3015 374
abc356_g G. Freestyle 3022 192
arc134_e E. Modulo Nim 3026 458
abc383_g G. Bar Cover 3026 279
abc309_h Ex. Simple Path Counting Problem 3029 202
arc124_e E. Pass to Next 3031 616
abc344_g G. Points and Comparison 3032 217
arc137_e E. Bakery 3034 348
arc171_e E. Rookhopper's Tour 3034 233
agc066_c C. Delete AAB or BAA 3036 336
abc263_h Ex. Intersection 2 3041 216
abc220_h H. Security Camera 3047 348
arc193_c C. Grid Coloring 3 3047 148
arc128_e E. K Different Values 3049 297
abc378_g G. Everlasting LIDS 3051 170
abc245_h Ex. Product Modulo 2 3057 354
abc294_h Ex. K-Coloring 3058 247
abc225_h H. Social Distance 2 3061 244
arc191_e E. Unfair Game 3063 95
tenka1_2012_12 D. ゆうびんやさんのお花畑 3066 19
arc132_f F. Takahashi The Strongest 3076 342
abc276_h Ex. Construct a Matrix 3087 209
code_festival_2017_quala_f F. Squeezing Slimes 3091 270
abc323_g G. Inversion of Tree 3091 115
arc118_e E. Avoid Permutations 3092 574
arc120_f F. Wine Thief 3094 367
mujin_pc_2017_c C. Robot and String 3096 404
nomura2020_f F. Sorting Game 3097 337
arc182_e E. Sum of Min of Mod of Linear 3098 141
arc136_e E. Non-coprime DAG 3100 591
abc313_f F. Flip Machines 3100 367
arc176_e E. Max Vector 3101 358
abc215_h H. Cabbage Master 3101 345
arc161_f F. Everywhere is Sparser than Whole (Judge) 3106 268
arc184_c C. Mountain and Valley Folds 3108 229
abc251_h Ex. Fill Triangle 3108 162
abc367_g G. Sum of (XOR^K or 0) 3110 190
abc217_h H. Snuketoon 3112 606
abc262_g G. LIS with Stack 3114 286
discovery_2016_qual_d D. DDPC特別ビュッフェ 3116 48
agc065_d D. Not Intersect 3117 201
arc116_f F. Deque Game 3125 349
abc284_h Ex. Count Unlabeled Graphs 3125 176
arc107_f F. Sum of Abs 3130 740
arc146_e E. Simple Speed 3131 399
code_festival_final_g G. 魔方陣 3132 42
arc161_e E. Not Dyed by Majority (Cubic Graph) 3136 291
abc336_g G. 16 Integers 3138 225
arc192_e E. Snuke's Kyoto Trip 3142 119
arc132_e E. Paw 3144 472