Wanted

2981:problems_untagged

ID Name Difficulty Solver
abc230_h H. Bullion 3528 136
arc134_f F. Flipping Coins 3530 134
agc066_d D. A Independent Set 3531 107
ahc014_a A. RectJoin 3540 772
arc125_f F. Tree Degree Subset Sum 3541 417
agc024_f F. Simple Subsequence Problem 3544 519
arc114_f F. Permutation Division 3545 257
arc180_e E. LIS and Inversion 3549 154
arc136_f F. Flip Cells 3554 123
agc008_e E. Next or Nextnext 3559 588
agc068_d D. Sum of Hash of Lexmin 3559 75
abc290_h Ex. Bow Meow Optimization 3569 204
codefestival_2016_final_h H. Tokaido 3569 138
ahc012_a A. AtCoder 10th Anniversary 3580 939
arc145_e E. Adjacent XOR 3581 181
arc149_f F. Rational Number System 3583 85
agc025_e E. Walking on a Tree 3584 448
agc033_f F. Adding Edges 3591 300
ahc009_a A. Robust Memory of Commuting Routes 3594 976
diverta2019_f F. Edge Ordering 3595 130
arc129_f F. Let's Play Tag 3596 75
agc019_e E. Shuffle and Swap 3597 510
arc153_f F. Tri-Colored Paths 3597 183
abc273_h Ex. Inv(0,1)ving Insert(1,0)n 3598 71
agc044_e E. Random Pawn 3599 355
abc311_h Ex. Many Illumination Plans 3605 137
agc022_f F. Checkers 3606 517
agc063_d D. Many CRT 3609 97
arc118_f F. Growth Rate 3610 218
ahc011_a A. Sliding Tree Puzzle 3615 995
arc154_f F. Dice Game 3616 121
arc148_f F. 998244353 → 1000000007 3621 175
arc138_e E. Decreasing Subsequence 3624 206
agc045_d D. Lamps and Buttons 3625 260
arc109_f F. 1D Kingdom Builder 3625 117
agc061_d D. Almost Multiplication Table 3632 111
agc034_f F. RNG and XOR 3634 521
agc007_f F. Shik and Copying String 3642 763
arc156_e E. Non-Adjacent Matching 3650 145
agc023_e E. Inversions 3653 547
ahc024_a A. Topological Map 3660 779
arc152_f F. Attraction on Tree 3664 117
arc181_f F. Colorful Reversi 3664 49
asprocon10_a A. Crops on Grid 3667 908
asprocon10_b A-Final. Crops on Grid (System Test) 3667 708
ahc016_a A. Graphorean 3670 1128
arc119_f F. AtCoder Express 3 3671 297
arc128_f F. Game against Robot 3671 173
ahc018_a A. Excavation 3672 1056
ahc015_a A. Halloween Candy 3674 960
ahc022_a A. Exploring Another Space 3680 1029
ahc019_a A. Silhouette Block Puzzle Creation 3680 831
ahc029_a A. Business Simulation Game 3680 811
ahc017_a A. Road Repair 3692 964
arc166_f F. Tangent Addition Formula 3692 28
agc063_e E. Child to Parent 3700 80
agc067_b B. Modifications 3701 111
ahc020_a A. Broadcasting 3705 1126
ahc027_a A. Recurring Cleaning Route 3707 1019
agc035_e E. Develop 3720 406
arc142_f F. Paired Wizards 3723 163
arc127_f F. ±AB 3723 157
arc171_f F. Both Reversible 3730 37
acl1_f F. Center Rearranging 3734 56
abc272_h Ex. Flipping Coins 2 3740 75
agc019_f F. Yes or No 3742 970
ahc039_a A. Purse Seine Fishing 3744 753
arc151_f F. RGB Card Game 3744 90
arc144_f F. Arithmetic Sequence Nim 3744 49
ahc021_a A. Pyramid Sorting 3745 1257
code_festival_2017_qualc_e E. Cubes 3750 62
agc030_e E. Less than 3 3753 437
ahc026_a A. Stack of Boxes 3755 843
ahc025_a A. Balancing by Balance 3765 921
apc001_g G. Colorful Doors 3765 86
abc278_h Ex. make 1 3768 67
agc046_e E. Permutation Cover 3772 149
arc174_f F. Final Stage 3773 81
agc028_f2 F2. Reachable Cells 3778 184
nikkei2019_qual_f F. Jewels 3778 171
ahc038_a A. Tree Robot Arm 3780 1001
ahc030_a A. Polyomino Mining 3781 1078
ahc028_a A. Lucky Words 3783 1014
agc036_f F. Square Constraints 3783 545
ahc031_a A. Event Hall 3785 998
ahc036_a A. Efficient Signal Control 3793 1009
agc018_f F. Two Trees 3793 667
agc037_f F. Counting of Subarrays 3797 209
ahc034_a A. Leveling with a Dump Truck 3802 1044
ahc035_a A. Breed Improvement 3805 1112
arc177_f F. Two Airlines 3810 46
ahc032_a A. Mod Stamp 3818 1140
agc048_e E. Strange Relation 3819 158
arc135_f F. Delete 1, 4, 7, ... 3821 140
agc058_e E. Nearer Permutation 3825 53
ahc037_a A. Soda 3827 1049
agc038_e E. Gachapon 3831 607
arc182_f F. Graph of Mod of Linear 3837 36
agc059_e E. Grid 3-coloring 3842 139
agc046_f F. Forbidden Tournament 3854 143
agc011_f F. Train Service Planning 3863 312
arc178_f F. Long Sequence Inversion 3863 36
agc022_d D. Shopping 3866 428
arc170_f F. Edge Deletion 2 3874 46
agc056_e E. Cheese 3877 129
arc138_f F. KD Tree 3882 93
abc243_h Ex. Builder Takahashi (Enhanced version) 3884 97
wtf22_day1_d D. Welcome to Tokyo! 3884 68
wtf22_day1_c C. Shrink the Tree 3884 27
wtf22_day1_e E. Sort A[i]-i 3884 18
agc010_e E. Rearranging 3887 878
agc031_f F. Walk on Graph 3887 263
agc065_f F. Always Perfect 3889 32
agc041_f F. Histogram Rooks 3893 266
agc061_e E. Increment or XOR 3901 119
agc013_f F. Two Faced Cards 3905 233
agc007_e E. Shik and Travel 3906 785
agc025_f F. Addition and Andition 3936 287
arc145_f F. Modulo Sum of Increasing Sequences 3943 73
agc053_d D. Everyone is a winner 3949 59
arc167_f F. Tree Tree Tree 3951 11
mujin_pc_2017_d D. Oriented Tree 3960 63
agc032_f F. One Third 3975 376
agc004_f F. Namori 3986 744
cf17_final_h H. Poor Penguin 3988 119
cf17_final_i I. Full Tournament 3988 94
arc113_f F. Social Distance 3990 137
arc183_f F. Sum of Minimum Distance 3994 19
agc008_f F. Black Radius 3995 463
arc156_f F. Make Same Set 4011 147
arc147_f F. Again ABC String 4016 73
agc053_e E. More Peaks More Fun 4036 113
arc179_f F. All the Same 4037 43
arc176_f F. Colorful Star 4046 40
agc039_f F. Min Product Sum 4060 324
apc001_i I. Simple APSP Problem 4061 117
agc051_f F. rng_58's Last Problem 4061 68
agc051_e E. Middle Point 4061 59
apc001_j J. Rectangles 4061 46
agc047_f F. Rooks 4066 117
agc064_e E. Cross Sum Construction 4069 22
agc050_f F. NAND Tree 4076 104
agc015_f F. Kenus the Ancient Greek 4083 410
agc061_f F. Perfect Strings 4084 96
agc057_e E. RowCol/ColRow Sort 4128 119
agc057_f F. Reflection 4128 83
arc141_f F. Well-defined Abbreviation 4134 147
agc021_f F. Trinity 4145 487
agc014_f F. Strange Sorting 4201 275
agc062_e E. Overlap Binary Tree 4233 32
agc065_e E. One Two Three 4235 16
agc063_f F. Simultaneous Floor 4273 23
agc055_f F. Creative Splitting 4288 69
agc054_f F. Decrement 4300 51
agc056_f F. Degree Sequence in DFS Order 4310 86
agc043_f F. Jewelry Box 4347 100
agc045_f F. Division into Multiples 4383 92
abc298_a A. Job Interview null 12327
abc299_a A. Treasure Chest null 11801
tessoku_book_a A01. The First Problem null 11443
abc306_b B. Base 2 null 11245
abc304_b B. Subscribers null 10487
abc299_b B. Trick Taking null 9765
tessoku_book_b A02. Linear Search null 9620
math_and_algorithm_a 001. Print 5+N null 8881
tessoku_book_c A03. Two Cards null 8759
abc298_b B. Coloring Matrix null 8645
tessoku_book_d A04. Binary Representation 1 null 7985
math_and_algorithm_ai 038. How Many Guests? null 7893
math_and_algorithm_b 002. Sum of 3 Integers null 7460
tessoku_book_e A05. Three Cards null 7361
math_and_algorithm_c 003. Sum of N Integers null 6660
math_and_algorithm_d 004. Product of 3 Integers null 6621
tessoku_book_g A07. Event Attendance null 6369
math_and_algorithm_e 005. Modulo 100 null 6310
math_and_algorithm_f 006. Print 2N+3 null 5842
math_and_algorithm_g 007. Number of Multiples 1 null 5390
tessoku_book_h A08. Two Dimensional Sum null 5361
tessoku_book_k A11. Binary Search 1 null 5180
math_and_algorithm_h 008. Brute Force 1 null 5066
math_and_algorithm_o 015. Greatest Common Divisor null 4876
tessoku_book_bz B01. A+B Problem null 4672
tessoku_book_i A09. Winter in ALGO Kingdom null 4514
tessoku_book_ca B02. Divisor Check null 4416
tessoku_book_l A12. Printer null 4393
math_and_algorithm_j 010. Factorial null 4241
tessoku_book_p A16. Dungeon 1(※初版第 1 刷の B22 も同じ問題です) null 4222
tessoku_book_j A10. Resort Hotel null 4210
tessoku_book_cb B03. Supermarket 1 null 4140
tessoku_book_m A13. Close Pairs null 3918
tessoku_book_cc B04. Binary Representation 2 null 3911
tessoku_book_ce B06. Lottery null 3861
math_and_algorithm_k 011. Print Prime Numbers null 3770
APG4bPython_a A. 1.00.はじめに null 3743
APG4bPython_cv EX1. コードテストと出力の練習 null 3740
tessoku_book_q A17. Dungeon 2 null 3633
tessoku_book_r A18. Subset Sum null 3630
tessoku_book_n A14. Four Boxes null 3461
math_and_algorithm_l 012. Primality Test null 3365
tessoku_book_s A19. Knapsack 1 null 3353
tessoku_book_o A15. Compression null 3274
math_and_algorithm_n 014. Factorization null 3247
APG4bPython_cu EX2. エラーの修正 null 3144
math_and_algorithm_p 016. Greatest Common Divisor of N Integers null 3142
math_and_algorithm_m 013. Divisor Enumeration null 3075
tessoku_book_t A20. LCS null 3003
math_and_algorithm_r 018. Convenience Store 1 null 2995
APG4bPython_ct EX3. 計算問題 null 2982
math_and_algorithm_s 019. Choose Cards 1 null 2889
tessoku_book_cg B08. Counting Points null 2863
tessoku_book_cj B11. Binary Search 2 null 2859
math_and_algorithm_am 043. Is It Connected? null 2848
APG4bPython_cs EX4. ◯年は何秒? null 2832
math_and_algorithm_q 017. Least Common Multiple of N Integers null 2779
math_and_algorithm_aq 050. Power null 2775
math_and_algorithm_u 021. Combination Easy null 2704
tessoku_book_z A26. Prime Check null 2672
math_and_algorithm_an 044. Shortest Path Problem null 2671
joi2022_yo1c_a A. 身長 (Height) null 2659
math_and_algorithm_i 009. Brute Force 2 null 2631
tessoku_book_ck B12. Equation null 2630
APG4bPython_cr EX5. A足すB問題 null 2593
math_and_algorithm_y 025. Jiro's Vacation null 2530
tessoku_book_ab A28. Blackboard null 2417
tessoku_book_v A22. Sugoroku null 2394
math_and_algorithm_w 023. Dice Expectation null 2389
tessoku_book_ch B09. Papers null 2364
joi2023_yo1a_a A. 長方形 (Rectangle) null 2343
tessoku_book_u A21. Block Game null 2338
math_and_algorithm_x 024. Answer Exam Randomly null 2322
math_and_algorithm_v 022. Choose Cards 3 null 2265
math_and_algorithm_ac 031. Taro's Vacation null 2229
math_and_algorithm_ap 049. Fibonacci Easy (mod 1000000007) null 2224
APG4bPython_cq EX6. 電卓をつくろう null 2221
math_and_algorithm_t 020. Choose Cards 2 null 2213
math_and_algorithm_ab 029. Climb Stairs null 2198
tessoku_book_ae A31. Divisors null 2197
tessoku_book_ay A51. Stack null 2190
tessoku_book_cp B17. Frog 1 with Restoration null 2142
tessoku_book_az A52. Queue null 2109
math_and_algorithm_bn 082. Interval Scheduling Problem null 2094
tessoku_book_bi A61. Adjacent Vertices null 2068
tessoku_book_aj A36. Travel null 2052
tessoku_book_ba A53. Priority Queue null 2017
tessoku_book_cq B18. Subset Sum with Restoration null 2008
tessoku_book_ak A37. Travel 2 null 2000
math_and_algorithm_z 026. Coin Gacha null 1955
tessoku_book_bb A54. Map null 1946
tessoku_book_ad A30. Combination null 1945
tessoku_book_y A25. Number of Routes null 1940
tessoku_book_al A38. Black Company 1 null 1901
joi2024_yo1a_a A. 果物 (Fruit) null 1888
tessoku_book_cm B14. Another Subset Sum null 1884
APG4bPython_co EX8. たくさんのA足すB問題 null 1878
APG4bPython_cp EX7. bool値パズル null 1859
joi2023_yo1a_b B. ゾロ目 (Same Numbers) null 1807
tessoku_book_an A40. Triangle null 1795
tessoku_book_cr B19. Knapsack 2 null 1790
tessoku_book_x A24. LIS null 1777
math_and_algorithm_aa 027. Sorting null 1747
tessoku_book_bl A64. Shortest Path 2 null 1691
joi2022_yo1c_b B. アイスクリーム (Ice Cream) null 1669
tessoku_book_ao A41. Tile Coloring null 1661
joi2023_yo1b_a A. 時間 (Hour) null 1640
tessoku_book_ar A44. Change and Reverse null 1602
tessoku_book_ag A33. Game 2 null 1581
tessoku_book_ap A42. Soccer null 1574
math_and_algorithm_ad 032. Binary Search null 1572
APG4bPython_cn EX9. 電卓をつくろう2 null 1544
tessoku_book_cy B26. Output Prime Numbers null 1542
joi2023_yo1b_b B. 三方比較 (Three-Way Comparison) null 1540
tessoku_book_aq A43. Travel 3 null 1540
joi2024_yo1c_a A. 分 (Minutes) null 1539
math_and_algorithm_af 034. Nearest Points null 1536
loadchecking_a A. 好きな順列 null 1515
tessoku_book_dx B51. Bracket null 1515
tessoku_book_bn A66. Connect Query null 1507
tessoku_book_cz B27. Calculate LCM null 1506
joi2022_yo2_a A. 図書館 2 (Library 2) null 1503
joi2024_yo1a_b B. 和の判定 (Sum Checker) null 1499
tessoku_book_bc A55. Set null 1462
joi2024_yo1b_a A. 飴の袋詰め (Drops Packing) null 1460
tessoku_book_bm A65. Road to Promotion null 1434
APG4bPython_cm EX10. 平均との差 null 1431
math_and_algorithm_ag 035. Two Circles null 1429
tessoku_book_cs B20. Edit Distance null 1416
joi2023_yo2_a A. 年齢の差 (Age Difference) null 1396
tessoku_book_ai A35. Game 4 null 1388
tessoku_book_dd B31. Divisors Hard null 1360
tessoku_book_db B29. Power Hard null 1356
tessoku_book_eh B61. Influencer null 1351
tessoku_book_as A45. Card Elimination null 1345
tessoku_book_bg A59. RSQ (Range Sum Queries) null 1345
joi2023_yo1c_a A. 2 桁の整数 (Two-digit Integer) null 1338
math_and_algorithm_ak 040. Travel null 1334
tessoku_book_bd A56. String Hash null 1334
tessoku_book_be A57. Doubling null 1331
tessoku_book_bo A67. MST (Minimum Spanning Tree) null 1294
APG4bPython_ck EX12. 最速のランナーを見つけよう null 1293
tessoku_book_di B36. Switching Lights null 1291