Wanted

5645:problems_untagged

ID Name Difficulty Solver
arc158_f F. Random Radix Sort 3500 204
arc131_f F. ARC Stamp 3501 143
agc043_e E. Topology 3505 183
arc226_e E. Cellular Messenger 3505 57
arc154_e E. Reverse and Inversion 3506 561
agc055_d D. ABC Ultimatum 3506 317
arc228_d D. Amidakuji 2 3506 54
arc155_e E. Split and Square 3513 235
arc157_f F. XY Ladder LCS 3517 317
ahc010_a A. Loop Lines 3519 833
ahc013_a A. Server Room 3520 951
arc210_d D. Independent Set Game 3525 105
abc230_h H. Bullion 3528 152
arc134_f F. Flipping Coins 3530 167
agc066_d D. A Independent Set 3531 262
ahc014_a A. RectJoin 3540 789
arc125_f F. Tree Degree Subset Sum 3541 564
agc024_f F. Simple Subsequence Problem 3544 650
arc114_f F. Permutation Division 3545 348
arc180_e E. LIS and Inversion 3549 212
arc222_f F. Triple Transformation 3550 80
arc136_f F. Flip Cells 3554 145
agc008_e E. Next or Nextnext 3559 702
agc068_d D. Sum of Hash of Lexmin 3559 132
abc290_h Ex. Bow Meow Optimization 3569 306
codefestival_2016_final_h H. Tokaido 3569 175
agc076_c C. Slime Eat Slime 3572 66
ahc012_a A. AtCoder 10th Anniversary 3580 987
arc145_e E. Adjacent XOR 3581 256
arc149_f F. Rational Number System 3583 97
arc220_e E. popcount ≥ K 3583 88
agc025_e E. Walking on a Tree 3584 680
agc033_f F. Adding Edges 3591 406
ahc009_a A. Robust Memory of Commuting Routes 3594 1017
diverta2019_f F. Edge Ordering 3595 206
arc232_e E. Doubling 3596 115
arc129_f F. Let's Play Tag 3596 83
agc019_e E. Shuffle and Swap 3597 588
arc153_f F. Tri-Colored Paths 3597 314
abc273_h Ex. Inv(0,1)ving Insert(1,0)n 3598 100
agc044_e E. Random Pawn 3599 460
abc311_h Ex. Many Illumination Plans 3605 273
agc022_f F. Checkers 3606 648
agc063_d D. Many CRT 3609 142
arc118_f F. Growth Rate 3610 275
agc078_c C. AB vs. BA 3611 60
ahc011_a A. Sliding Tree Puzzle 3615 1022
arc154_f F. Dice Game 3616 135
arc148_f F. 998244353 → 1000000007 3621 225
arc138_e E. Decreasing Subsequence 3624 328
agc045_d D. Lamps and Buttons 3625 482
arc109_f F. 1D Kingdom Builder 3625 167
abc399_g G. Colorful Spanning Tree 3625 60
agc061_d D. Almost Multiplication Table 3632 195
agc034_f F. RNG and XOR 3634 778
agc007_f F. Shik and Copying String 3642 901
abc434_g G. Keyboard 3645 103
arc156_e E. Non-Adjacent Matching 3650 198
agc023_e E. Inversions 3653 669
ahc024_a A. Topological Map 3660 808
arc152_f F. Attraction on Tree 3664 210
arc181_f F. Colorful Reversi 3664 125
asprocon10_a A. Crops on Grid 3667 920
asprocon10_b A-Final. Crops on Grid (System Test) 3667 708
ahc016_a A. Graphorean 3670 1147
arc119_f F. AtCoder Express 3 3671 364
arc128_f F. Game against Robot 3671 244
ahc018_a A. Excavation 3672 1069
ahc015_a A. Halloween Candy 3674 1037
ahc022_a A. Exploring Another Space 3680 1053
ahc029_a A. Business Simulation Game 3680 837
ahc019_a A. Silhouette Block Puzzle Creation 3680 835
agc076_d D. Stochastic Dominance 3683 36
ahc017_a A. Road Repair 3692 1004
arc166_f F. Tangent Addition Formula 3692 47
agc063_e E. Child to Parent 3700 129
agc067_b B. Modifications 3701 230
ahc020_a A. Broadcasting 3705 1174
ahc027_a A. Recurring Cleaning Route 3707 1067
agc035_e E. Develop 3720 535
agc074_d D. Valid Output for DSU Problems 3721 55
arc142_f F. Paired Wizards 3723 220
arc127_f F. ±AB 3723 173
arc171_f F. Both Reversible 3730 46
abc393_g G. Unevenness 3731 47
acl1_f F. Center Rearranging 3734 92
arc190_e E. Gaps of 1 or 2 3734 84
abc272_h Ex. Flipping Coins 2 3740 81
agc019_f F. Yes or No 3742 1318
ahc039_a A. Purse Seine Fishing 3744 880
arc151_f F. RGB Card Game 3744 105
arc144_f F. Arithmetic Sequence Nim 3744 48
ahc021_a A. Pyramid Sorting 3745 1307
code_festival_2017_qualc_e E. Cubes 3750 60
agc030_e E. Less than 3 3753 547
ahc026_a A. Stack of Boxes 3755 880
ahc062_a A. King's Tour 3764 766
ahc025_a A. Balancing by Balance 3765 931
apc001_g G. Colorful Doors 3765 99
abc278_h Ex. make 1 3768 80
agc046_e E. Permutation Cover 3772 196
arc174_f F. Final Stage 3773 99
nikkei2019_qual_f F. Jewels 3778 214
agc028_f2 F2. Reachable Cells 3778 209
ahc038_a A. Tree Robot Arm 3780 1024
ahc030_a A. Polyomino Mining 3781 1099
ahc028_a A. Lucky Words 3783 1069
agc036_f F. Square Constraints 3783 726
ahc031_a A. Event Hall 3785 1011
arc214_f F. Unpredictable Moves 3787 218
agc018_f F. Two Trees 3793 1021
ahc036_a A. Efficient Signal Control 3793 1021
agc037_f F. Counting of Subarrays 3797 241
ahc034_a A. Leveling with a Dump Truck 3802 1103
ahc035_a A. Breed Improvement 3805 1148
agc071_d D. Level K Terms 3807 36
arc177_f F. Two Airlines 3810 151
ahc047_a A. Lovely Language Model 3814 1139
ahc067_a A. Castle Renovation with Linked Doors 3814 803
ahc032_a A. Mod Stamp 3818 1218
ahc045_a A. Oracle-Guided Road Network Planning 3819 1238
agc048_e E. Strange Relation 3819 209
ahc041_a A. Christmas Tree Cutting 3820 1159
arc135_f F. Delete 1, 4, 7, ... 3821 199
ahc052_a A. Single Controller Multiple Robots 3822 886
ahc065_a A. Conveyor Design 3822 757
ahc043_a A. Railway Company 3823 1385
ahc073_a A. Circles of Inversion 3824 429
agc058_e E. Nearer Permutation 3825 58
ahc037_a A. Soda 3827 1148
arc230_e E. Minister 3827 78
agc038_e E. Gachapon 3831 852
ahc060_a A. Ice Cream Collection 3832 800
arc228_e E. Pair of Permutations 3835 40
arc182_f F. Graph of Mod of Linear 3837 45
ahc053_a A. Random Sum Game 3839 1112
ahc069_a A. Picnic 3839 1055
ahc044_a A. Cleaning Up 3840 1193
agc059_e E. Grid 3-coloring 3842 208
ahc042_a A. Oni wa Soto, Fuku wa Uchi 3843 1144
ahc071_a A. Brick Cover 3845 583
ahc059_a A. Stack to Match Pairs 3846 841
ahc070_a A. Ward the Village 3846 567
ahc063_a A. Colorful Ouroboros 3850 1186
agc069_c C. AB*A Changing 3853 59
ahc068_a A. Rectangle Swap 3854 832
agc046_f F. Forbidden Tournament 3854 240
ahc064_a A. Non-Crossing Railcar Rearrangement 3856 867
ahc049_a A. Durability-Constrained Transport 3860 980
ahc057_a A. Molecules 3861 734
agc011_f F. Train Service Planning 3863 377
arc178_f F. Long Sequence Inversion 3863 48
agc022_d D. Shopping 3866 486
ahc066_a A. Macro Controller 3868 1244
ahc072_a A. Somersault Slimes 3871 966
arc170_f F. Edge Deletion 2 3874 70
ahc056_a A. Grid Turing Robot 3877 1083
agc056_e E. Cheese 3877 164
ahc046_a A. Skating with Blocks 3880 1104
ahc061_a A. Multi-Player Territory Game 3881 1107
ahc050_a A. Gamble on Ice 3882 1251
arc138_f F. KD Tree 3882 261
ahc055_a A. Weakpoint 3884 932
wtf22_day1_d D. Welcome to Tokyo! 3884 142
abc243_h Ex. Builder Takahashi (Enhanced version) 3884 120
wtf22_day1_e E. Sort A[i]-i 3884 49
wtf22_day1_c C. Shrink the Tree 3884 41
agc010_e E. Rearranging 3887 1105
agc031_f F. Walk on Graph 3887 307
agc065_f F. Always Perfect 3889 89
agc041_f F. Histogram Rooks 3893 469
agc061_e E. Increment or XOR 3901 229
agc013_f F. Two Faced Cards 3905 299
agc007_e E. Shik and Travel 3906 998
agc025_f F. Addition and Andition 3936 350
arc207_e E. Erase and Append 3936 160
arc145_f F. Modulo Sum of Increasing Sequences 3943 74
agc077_e E. Hamiltonian Path Inversion 3944 59
agc053_d D. Everyone is a winner 3949 70
arc167_f F. Tree Tree Tree 3951 13
mujin_pc_2017_d D. Oriented Tree 3960 88
agc032_f F. One Third 3975 449
agc004_f F. Namori 3986 923
cf17_final_h H. Poor Penguin 3988 125
cf17_final_i I. Full Tournament 3988 107
arc113_f F. Social Distance 3990 161
arc183_f F. Sum of Minimum Distance 3994 29
agc008_f F. Black Radius 3995 661
arc156_f F. Make Same Set 4011 267
arc147_f F. Again ABC String 4016 113
agc053_e E. More Peaks More Fun 4036 191
arc179_f F. All the Same 4037 84
agc072_d D. Magician 4043 84
arc176_f F. Colorful Star 4046 92
agc039_f F. Min Product Sum 4060 490
apc001_i I. Simple APSP Problem 4061 134
agc051_f F. rng_58's Last Problem 4061 88
agc051_e E. Middle Point 4061 74
apc001_j J. Rectangles 4061 64
agc047_f F. Rooks 4066 156
agc064_e E. Cross Sum Construction 4069 40
agc050_f F. NAND Tree 4076 197
agc015_f F. Kenus the Ancient Greek 4083 468
agc061_f F. Perfect Strings 4084 119
agc057_e E. RowCol/ColRow Sort 4128 143
agc057_f F. Reflection 4128 91
arc141_f F. Well-defined Abbreviation 4134 209
agc021_f F. Trinity 4145 597
agc014_f F. Strange Sorting 4201 405
agc070_d D. 2D Solitaire 4211 19
agc062_e E. Overlap Binary Tree 4233 36
agc065_e E. One Two Three 4235 24
agc069_e E. Pair of Sequences 4255 31
agc063_f F. Simultaneous Floor 4273 30
agc055_f F. Creative Splitting 4288 193
agc054_f F. Decrement 4300 54
agc056_f F. Degree Sequence in DFS Order 4310 93
agc043_f F. Jewelry Box 4347 105
agc045_f F. Division into Multiples 4383 124
tessoku_book_a A01. The First Problem null 17717
tessoku_book_b A02. Linear Search null 14630
APG4bPython_cv EX1. コードテストと出力の練習 null 14107
APG4bPython_a A. 1.00.はじめに null 13713
abc298_a A. Job Interview null 13613
abc299_a A. Treasure Chest null 13315
tessoku_book_c A03. Two Cards null 13205
abc306_b C. Base 2 null 12916
abc304_b C. Subscribers null 12543
APG4bPython_cu EX2. エラーの修正 null 11930
tessoku_book_d A04. Binary Representation 1 null 11898
math_and_algorithm_ai 038. How Many Guests? null 11601
math_and_algorithm_a 001. Print 5+N null 11339
APG4bPython_ct EX3. 計算問題 null 11312
tessoku_book_e A05. Three Cards null 10991
abc299_b D. Trick Taking null 10938
APG4bPython_cs EX4. ◯年は何秒？ null 10740
abc422_a B. Stage Clear null 10673
APG4bPython_cr EX5. A足すB問題 null 9965
abc298_b D. Coloring Matrix null 9826
tessoku_book_g A07. Event Attendance null 9449
math_and_algorithm_b 002. Sum of 3 Integers null 9379
abc422_b D. Looped Rope null 8832
APG4bPython_cq EX6. 電卓をつくろう null 8532
math_and_algorithm_d 004. Product of 3 Integers null 8081
math_and_algorithm_c 003. Sum of N Integers null 8033
tessoku_book_h A08. Two Dimensional Sum null 7963
tessoku_book_k A11. Binary Search 1 null 7672
math_and_algorithm_e 005. Modulo 100 null 7627
math_and_algorithm_f 006. Print 2N+3 null 7501
APG4bPython_co EX8. たくさんのA足すB問題 null 7414
APG4bPython_cp EX7. bool値パズル null 7385
tessoku_book_bz B01. A+B Problem null 6990
tessoku_book_i A09. Winter in ALGO Kingdom null 6726
math_and_algorithm_g 007. Number of Multiples 1 null 6588
math_and_algorithm_o 015. Greatest Common Divisor null 6460
tessoku_book_l A12. Printer null 6436
tessoku_book_ca B02. Divisor Check null 6326
tessoku_book_p A16. Dungeon 1（※初版第 1 刷の B22 も同じ問題です） null 6206
math_and_algorithm_h 008. Brute Force 1 null 6198
tessoku_book_j A10. Resort Hotel null 6193
APG4bPython_cn EX9. 電卓をつくろう2 null 5978
tessoku_book_cb B03. Supermarket 1 null 5953
tessoku_book_m A13. Close Pairs null 5769
tessoku_book_ce B06. Lottery null 5594
tessoku_book_cc B04. Binary Representation 2 null 5583
APG4bPython_cm EX10. 平均との差 null 5450
tessoku_book_r A18. Subset Sum null 5309
math_and_algorithm_j 010. Factorial null 5292
tessoku_book_q A17. Dungeon 2 null 5292
tessoku_book_n A14. Four Boxes null 5050
tessoku_book_s A19. Knapsack 1 null 4877
tessoku_book_o A15. Compression null 4781
APG4bPython_cl EX11. 足したり引いたり null 4689
APG4bPython_ck EX12. 最速のランナーを見つけよう null 4666
math_and_algorithm_k 011. Print Prime Numbers null 4637
tessoku_book_t A20. LCS null 4452
math_and_algorithm_l 012. Primality Test null 4192
tessoku_book_cj B11. Binary Search 2 null 4167
tessoku_book_cg B08. Counting Points null 4122
math_and_algorithm_am 043. Is It Connected? null 4110
math_and_algorithm_n 014. Factorization null 4055
APG4bPython_cj EX13. 三人兄弟へのプレゼント null 4003
math_and_algorithm_aq 050. Power null 3883
math_and_algorithm_p 016. Greatest Common Divisor of N Integers null 3860
math_and_algorithm_an 044. Shortest Path Problem null 3853
tessoku_book_z A26. Prime Check null 3827
tessoku_book_ck B12. Equation null 3783
math_and_algorithm_m 013. Divisor Enumeration null 3757
joi2022_yo1c_a A. 身長 (Height) null 3747
math_and_algorithm_r 018. Convenience Store 1 null 3701
math_and_algorithm_s 019. Choose Cards 1 null 3567
tessoku_book_ay A51. Stack null 3553
tessoku_book_ab A28. Blackboard null 3472
tessoku_book_v A22. Sugoroku null 3467
math_and_algorithm_q 017. Least Common Multiple of N Integers null 3445
tessoku_book_ch B09. Papers null 3397
tessoku_book_u A21. Block Game null 3397
math_and_algorithm_i 009. Brute Force 2 null 3362
tessoku_book_az A52. Queue null 3338
math_and_algorithm_u 021. Combination Easy null 3320