Wanted

5065:problems_untagged

ID Name Difficulty Solver
arc193_b B. Broken Wheel 2420 471
arc222_e E. XOR Matching 2423 327
arc146_c C. Even XOR 2428 1041
abc279_g G. At Most 2 Colors 2431 869
arc157_d D. YY Garden 2435 785
abc265_g G. 012 Inversion 2436 874
arc130_d D. Zigzag Tree 2437 793
abc236_g G. Good Vertices 2438 1042
abc321_g G. Electric Circuit 2439 796
arc168_d D. Maximize Update 2440 952
abc269_g G. Reversible Cards 2 2440 901
arc186_c C. Ball and Box 2451 600
abc463_g G. Random Walk Distance 2452 343
abc313_g G. Redistribution of Piles 2454 691
abc438_g G. Sum of Min 2455 358
agc069_a A. Schedule Optimization 2460 335
abc235_g G. Gardens 2462 990
arc144_d D. AND OR Equation 2468 844
abc251_g G. Intersection of Polygons 2468 534
arc195_d D. Swap and Erase 2470 575
abc428_g G. Necklace 2472 281
arc200_d D. |A + A| 2474 440
abc312_h Ex. snukesnuke 2477 721
abc319_f I. Fighter Takahashi 2480 944
agc056_c C. 01 Balanced 2481 1311
arc160_d D. Mahjong 2485 899
arc207_c C. Combine to Make Non-decreasing 2488 445
abc456_g G. Count Holidays 2488 333
abc431_g G. One Time Swap 2 2490 421
abc277_g G. Random Walk to Millionaire 2491 791
abc385_g G. Counting Buildings 2492 457
abc418_f I. We're teapots 2496 596
arc178_d D. Delete Range Mex 2498 753
agc063_c C. Add Mod Operations 2500 487
abc324_g G. Generate Arrays 2501 622
abc303_h Ex. Constrained Tree Degree 2501 506
abc234_h Ex. Enumerate Pairs 2505 695
abc390_g G. Permutation Concatenation 2508 398
arc186_a A. Underclued 2511 618
agc077_a A. Reverse A…B 2512 218
abc248_g G. GCD cost on the tree 2514 830
abc230_g G. GCD Permutation 2516 862
abc435_g G. Domino Arrangement 2519 333
arc143_e E. Reversi 2521 722
abc273_g G. Row Column Sums 2 2521 648
abc275_g G. Infinite Knapsack 2522 468
abc233_h Ex. Manhattan Christmas Tree 2530 705
abc261_h Ex. Game on Graph 2531 815
abc278_g G. Generalized Subtraction Game 2533 575
abc333_g G. Nearest Fraction 2536 652
abc219_f I. Cleaning Robot 2542 784
abc416_g G. Concat (1st) 2542 520
abc467_g G. Many Sweets Problem 2544 268
abc301_f I. Anti-DDoS 2548 759
arc203_d D. Insert XOR 2549 400
abc232_g G. Modulo Shortest Path 2550 1169
abc424_g G. Set list 2552 416
arc147_e E. Examination 2553 893
arc128_d D. Neq Neq 2554 836
abc348_g G. Max (Sum - Max) 2559 727
abc267_g G. Increasing K Times 2561 948
abc365_f I. Takahashi on Grid 2561 653
abc395_g G. Minimum Steiner Tree 2 2561 530
abc360_f I. InterSections 2563 806
abc225_g G. X 2566 661
arc156_d D. Xor Sum 5 2568 798
arc162_d D. Smallest Vertices 2568 628
arc176_d D. Swap Permutation 2572 591
arc223_e E. Yin-Yang Two Bits Insertion 2572 312
abc338_g G. evall 2573 486
arc187_c C. 1 Loop Bubble Sort 2574 586
abc320_g G. Slot Strategy 2 (Hard) 2575 712
arc163_d D. Sum of SCC 2581 1028
arc209_d D. A_A_i 2583 288
arc165_d D. Substring Comparison 2589 762
abc464_g G. Celester 2 2592 295
arc127_d D. Sum of Min of Xor 2593 813
arc173_d D. Bracket Walk 2598 769
abc434_f I. Concat (2nd) 2600 483
arc107_e E. Mex Mat 2604 975
acl1_e E. Shuffle Window 2605 401
abc231_g G. Balls in Boxes 2606 861
abc288_g G. 3^N Minesweeper 2606 730
abc374_g G. Only One Product Name 2608 587
abc225_f I. String Cards 2612 1411
abc361_g G. Go Territory 2613 635
abc335_g G. Discrete Logarithm Problems 2614 666
abc409_g G. Accumulation of Wealth 2616 306
abc282_h Ex. Min + Sum 2621 982
abc423_g G. Small Multiple 2 2625 273
arc217_d D. Greedy Customer 2626 273
agc074_b B. Swap if Equal Length and Sum 2626 263
agc075_d D. Max Prod Plus 2627 181
arc220_c C. Range Increment 2630 276
arc191_d D. Moving Pieces on Graph 2631 367
abc449_g G. Many Repunit Sum 2 2631 246
arc201_e E. Total Area of Bounding Boxes 2635 431
abc287_h Ex. Directed Graph and Query 2639 729
arc158_e E. All Pair Shortest Paths 2641 595
abc304_h Ex. Constrained Topological Sort 2642 674
arc225_e E. Gap Swap (hard) 2645 300
arc197_e E. Four Square Tiles 2647 427
abc317_g G. Rearranging 2649 703
arc185_d D. Random Walk on Tree 2649 647
arc164_e E. Segment-Tree Optimization 2651 570
arc214_e E. Swap K times 2651 269
abc444_f I. Half and Median 2654 503
abc349_g G. Palindrome Construction 2655 575
arc133_d D. Range XOR 2658 539
abc264_h Ex. Perfect Binary Tree 2660 427
arc109_e E. 1D Reversi Builder 2661 474
arc219_f F. Range Division 2661 217
abc213_g G. Connectivity 2 2663 1180
arc146_d D. >=< 2663 698
arc217_e E. Tree Growing 2663 260
arc153_d D. Sum of Sum of Digits 2664 704
abc247_h Ex. Rearranging Problem 2664 405
abc354_g G. Select Strings 2665 633
abc331_g G. Collect Them All 2668 446
arc218_d D. I like Increasing 2674 267
abc246_h Ex. 01? Queries 2677 1010
abc419_g G. Count Simple Paths 2 2677 471
arc127_e E. Priority Queue 2678 774
agc060_c C. Large Heap 2680 764
abc283_h Ex. Popcount Sum 2682 528
abc239_h Ex. Dice Product 2 2686 736
arc180_d D. Division into 3 2694 657
abc310_g G. Takahashi And Pass-The-Ball Game 2696 527
agc061_c C. First Come First Serve 2697 873
arc218_e E. Reverse and Reverse 2705 174
abc258_h Ex. Odd Steps 2708 564
abc228_g G. Digits on Grid 2711 555
arc151_e E. Keep Being Substring 2713 689
arc119_d D. Grid Repainting 3 2713 624
arc179_d D. Portable Gate 2717 524
arc192_d D. Fraction Line 2722 396
codefestival_2016_qualA_e E. LRU Puzzle 2723 392
abc295_h Ex. E or m 2728 433
abc228_h H. Histogram 2729 548
abc255_g G. Constrained Nim 2734 598
arc195_e E. Random Tree Distance 2734 387
arc212_f F. Add Integer 2735 254
abc303_g G. Bags Game 2736 443
arc140_e E. Not Equal Rectangle 2739 676
arc135_d D. Add to Square 2750 693
abc307_h Ex. Marquee 2754 271
arc222_d D. Shift and Add 2755 211
abc249_g G. Xor Cards 2756 525
abc253_h Ex. We Love Forest 2758 505
abc389_g G. Odd Even Graph 2762 364
arc194_e E. Swap 0^X and 1^Y 2765 311
arc126_e E. Infinite Operations 2766 547
abc198_f F. Cube 2769 596
abc223_h H. Xor Query 2771 812
abc250_h Ex. Trespassing Takahashi 2773 466
agc071_c C. Orientable as Desired 2774 318
abc332_g G. Not Too Many Balls 2775 600
arc186_d D. Polish Mania 2776 395
abc417_g G. Binary Cat 2778 472
arc162_e E. Strange Constraints 2780 644
abc232_h H. King's Tour 2780 411
agc072_a A. Rhythm Game 2781 240
arc165_e E. Random Isolation 2783 817
arc148_e E. ≥ K 2785 846
abc318_h Ex. Count Strong Test Cases 2785 281
abc298_h Ex. Sum of Min of Length 2792 342
abc221_h H. Count Multiset 2793 1024
agc077_b B. Long Increasing Walk 2794 137
arc190_d D. Matrix Pow Sum 2802 307
abc261_g G. Replace 2803 409
agc055_c C. Weird LIS 2803 395
arc184_d D. Erase Balls 2D 2804 619
abc469_g G. K-nacci Operations 2804 84
abc218_h H. Red and Blue Lamps 2805 925
abc213_h H. Stroll 2806 527
abc437_g G. Colorful Christmas Tree 2806 252
agc051_d D. C4 2807 588
abc237_h Ex. Hakata 2807 535
abc315_h Ex. Typical Convolution Problem 2807 344
agc064_d D. Red and Blue Chips 2808 431
abc453_f I. Avoid Division 2811 349
arc169_d D. Add to Make a Permutation 2812 421
abc400_g G. Patisserie ABC 3 2813 379
arc139_d D. Priority Queue 2 2816 663
cf17_final_e E. Combination Lock 2817 439
abc296_h Ex. Unite 2822 221
arc104_e E. Random LIS 2824 679
arc106_e E. Medals 2825 1147
agc067_c C. Divisibility Homomorphism 2829 223
abc293_h Ex. Optimal Path Decomposition 2831 325
abc458_g G. Children Yearn for the Evil Kindergarten 2831 204
abc242_h Ex. Random Painting 2835 580
abc460_g G. Vertex Flip Query 2838 165
abc280_g G. Do Use Hexagon Grid 2 2842 275
agc071_b B. Maximum Bracket Subsequence 2842 194
arc200_e E. popcount <= 2 2852 354
abc297_h Ex. Diff Adjacent 2855 225
abc376_g G. Treasure Hunting 2858 455
agc069_b B. Pair Guessing 2859 247
abc308_h Ex. Make Q 2861 373
arc184_b B. 123 Set 2867 553
arc173_e E. Rearrange and Adjacent XOR 2869 373
arc209_c C. Adjusting a Rectangle 2869 143
agc045_b B. 01 Unbalanced 2873 730
arc125_e E. Snack 2874 930
abc347_g G. Grid Coloring 2 2876 393
abc322_g G. Two Kinds of Base 2876 270
arc157_e E. XXYX Binary Tree 2877 645
abc244_h Ex. Linear Maximization 2878 413
agc053_c C. Random Card Game 2878 355
arc187_d D. Many Easy Optimizations 2880 380
arc183_d D. Keep Perfectly Matched 2880 363
abc241_h Ex. Card Deck Score 2881 519
codefestival_2016_qualC_e E. Encyclopedia of Permutations 2885 218
abc224_h H. Security Camera 2 2887 413
arc141_d D. Non-divisible Set 2890 521
abc254_g G. Elevators 2890 373
arc158_d D. Equation 2893 804
abc236_h Ex. Distinct Multiples 2898 674
abc301_h Ex. Difference of Distance 2898 236
arc221_c C. Two Deques Sorting 2899 154
arc206_e E. Rectangle Coloring 2902 206
agc059_c C. Guessing Permutation for as Long as Possible 2905 615
abc271_h Ex. General General 2908 250
arc179_e E. Rectangle Concatenation 2909 285
abc221_g G. Jumping sequence 2914 1089
abc277_h Ex. Constrained Sums 2917 481
arc196_c C. Strongly Connected 2917 197
abc351_g G. Hash on Tree 2920 596
abc372_g G. Ax + By < C 2925 236
agc051_c C. Flipper 2928 300
agc074_c C. PORALIS 2928 185
abc386_g G. Many MST 2930 300
agc064_c C. Erase and Divide Game 2932 398
arc172_d D. Distance Ranking 2936 683
arc142_d D. Deterministic Placing 2938 415
abc314_h Ex. Disk and Segments 2938 266
wtf22_day1_b B. Non-Overlapping Swaps 2945 114
arc221_d D. Two Balanced Subtrees 2946 156
abc397_g G. Maximize Distance 2947 448
agc068_a A. Circular Distance 2948 249
agc066_e E. Sliding Puzzle On Tree 2950 159
arc196_d D. Roadway 2956 204
abc262_h Ex. Max Limited Sequence 2957 622
arc210_e E. Subset Sum Gaps 2957 300
arc215_f F. Scapus 2959 151
abc248_h Ex. Beautiful Subsequences 2960 414
arc207_d D. Devourers and Cake 2965 201
abc235_h Ex. Painting Weighted Graph 2967 315
abc327_g G. Many Good Tuple Problems 2968 313
abc427_g G. Takahashi's Expectation 2 2975 145
agc070_c C. No Streak 2983 275
abc299_h Ex. Dice Sum Infinity 2984 192
agc072_c C. Human Exercise 2984 174
abc387_g G. Prime Circuit 2986 148
arc198_e E. Monotone OR 2988 274
arc152_e E. Xor Annihilation 2990 376
arc149_d D. Simultaneous Sugoroku 2991 660
agc058_c C. Planar Tree 2991 387
abc355_g G. Baseball 2991 276
arc182_d D. Increment Decrement Again 2992 285
abc440_g G. Haunted House 2993 154
abc329_g G. Delivery on Tree 2995 169
arc168_e E. Subsegments with Large Sums 3001 592
arc155_d D. Avoid Coprime Game 3001 484
arc204_c C. Maximize Sum of Mex 3004 162
abc313_h Ex. Group Photo 3008 452
arc141_e E. Sliding Edge on Torus 3009 317
arc190_c C. Basic Grid Problem with Updates 3010 268
abc252_h Ex. K-th beautiful Necklace 3015 394
abc414_g G. AtCoder Express 4 3020 304
abc356_g G. Freestyle 3022 217
abc439_g G. Sugoroku 6 3023 100
arc134_e E. Modulo Nim 3026 489
abc383_g G. Bar Cover 3026 404
abc309_h Ex. Simple Path Counting Problem 3029 240
agc077_c C. Reverse and DAG 3029 95
arc124_e E. Pass to Next 3031 779
abc344_g G. Points and Comparison 3032 237
arc137_e E. Bakery 3034 394
arc171_e E. Rookhopper's Tour 3034 265
agc066_c C. Delete AAB or BAA 3036 394
abc418_g G. Binary Operation 3038 156
abc263_h Ex. Intersection 2 3041 227
abc220_h H. Security Camera 3047 405
arc193_c C. Grid Coloring 3 3047 259
arc128_e E. K Different Values 3049 319
abc378_g G. Everlasting LIDS 3051 198
abc245_h Ex. Product Modulo 2 3057 392
abc294_h Ex. K-Coloring 3058 306
abc225_h H. Social Distance 2 3061 268
arc191_e E. Unfair Game 3063 160
arc211_e E. Greedy Takahashi 2 3064 96
tenka1_2012_12 D. ゆうびんやさんのお花畑 3066 19
arc208_d D. Symmetric Matrix 3070 160
arc132_f F. Takahashi The Strongest 3076 429
agc076_b B. Split and Reverse 3079 160
arc216_d D. GCD of Product of Arithmetic Progression 3079 105
abc465_g G. Sum of Mex of Mod of Linear 3082 105
abc276_h Ex. Construct a Matrix 3087 225