Wanted

4815:problems_untagged

ID Name Difficulty Solver
agc047_f F. Rooks 4066 151
agc064_e E. Cross Sum Construction 4069 36
agc050_f F. NAND Tree 4076 192
agc015_f F. Kenus the Ancient Greek 4083 454
agc061_f F. Perfect Strings 4084 109
agc057_e E. RowCol/ColRow Sort 4128 140
agc057_f F. Reflection 4128 88
arc141_f F. Well-defined Abbreviation 4134 208
agc021_f F. Trinity 4145 577
agc014_f F. Strange Sorting 4201 379
agc070_d D. 2D Solitaire 4211 15
agc062_e E. Overlap Binary Tree 4233 34
agc065_e E. One Two Three 4235 21
agc069_e E. Pair of Sequences 4255 24
agc063_f F. Simultaneous Floor 4273 28
agc055_f F. Creative Splitting 4288 178
agc054_f F. Decrement 4300 51
agc056_f F. Degree Sequence in DFS Order 4310 90
agc043_f F. Jewelry Box 4347 103
agc045_f F. Division into Multiples 4383 113
tessoku_book_a A01. The First Problem null 16849
tessoku_book_b A02. Linear Search null 13941
abc298_a B. Job Interview null 13444
abc299_a B. Treasure Chest null 13180
abc306_b C. Base 2 null 12658
tessoku_book_c A03. Two Cards null 12592
abc304_b C. Subscribers null 12440
APG4bPython_cv EX1. コードテストと出力の練習 null 12408
APG4bPython_a A. 1.00.はじめに null 12294
tessoku_book_d A04. Binary Representation 1 null 11347
math_and_algorithm_ai 038. How Many Guests? null 11054
math_and_algorithm_a 001. Print 5+N null 11051
abc299_b C. Trick Taking null 10840
APG4bPython_cu EX2. エラーの修正 null 10480
tessoku_book_e A05. Three Cards null 10475
abc422_a B. Stage Clear null 10349
APG4bPython_ct EX3. 計算問題 null 9918
abc298_b C. Coloring Matrix null 9729
APG4bPython_cs EX4. ◯年は何秒？ null 9416
math_and_algorithm_b 002. Sum of 3 Integers null 9169
tessoku_book_g A07. Event Attendance null 8971
APG4bPython_cr EX5. A足すB問題 null 8740
abc422_b D. Looped Rope null 8601
math_and_algorithm_d 004. Product of 3 Integers null 7911
math_and_algorithm_c 003. Sum of N Integers null 7865
tessoku_book_h A08. Two Dimensional Sum null 7569
math_and_algorithm_e 005. Modulo 100 null 7471
APG4bPython_cq EX6. 電卓をつくろう null 7462
math_and_algorithm_f 006. Print 2N+3 null 7330
tessoku_book_k A11. Binary Search 1 null 7299
tessoku_book_bz B01. A+B Problem null 6715
APG4bPython_co EX8. たくさんのA足すB問題 null 6500
APG4bPython_cp EX7. bool値パズル null 6470
math_and_algorithm_g 007. Number of Multiples 1 null 6453
tessoku_book_i A09. Winter in ALGO Kingdom null 6390
math_and_algorithm_o 015. Greatest Common Divisor null 6233
tessoku_book_l A12. Printer null 6131
math_and_algorithm_h 008. Brute Force 1 null 6076
tessoku_book_ca B02. Divisor Check null 6072
tessoku_book_p A16. Dungeon 1（※初版第 1 刷の B22 も同じ問題です） null 5885
tessoku_book_j A10. Resort Hotel null 5880
tessoku_book_cb B03. Supermarket 1 null 5718
tessoku_book_m A13. Close Pairs null 5495
tessoku_book_cc B04. Binary Representation 2 null 5357
tessoku_book_ce B06. Lottery null 5328
APG4bPython_cn EX9. 電卓をつくろう2 null 5258
math_and_algorithm_j 010. Factorial null 5171
tessoku_book_q A17. Dungeon 2 null 5044
tessoku_book_r A18. Subset Sum null 5034
APG4bPython_cm EX10. 平均との差 null 4817
tessoku_book_n A14. Four Boxes null 4805
tessoku_book_s A19. Knapsack 1 null 4638
tessoku_book_o A15. Compression null 4558
math_and_algorithm_k 011. Print Prime Numbers null 4538
tessoku_book_t A20. LCS null 4207
APG4bPython_cl EX11. 足したり引いたり null 4174
APG4bPython_ck EX12. 最速のランナーを見つけよう null 4167
math_and_algorithm_l 012. Primality Test null 4095
math_and_algorithm_n 014. Factorization null 3961
tessoku_book_cj B11. Binary Search 2 null 3960
tessoku_book_cg B08. Counting Points null 3929
math_and_algorithm_am 043. Is It Connected? null 3927
math_and_algorithm_p 016. Greatest Common Divisor of N Integers null 3777
math_and_algorithm_aq 050. Power null 3715
math_and_algorithm_m 013. Divisor Enumeration null 3680
math_and_algorithm_an 044. Shortest Path Problem null 3674
tessoku_book_z A26. Prime Check null 3643
math_and_algorithm_r 018. Convenience Store 1 null 3621
tessoku_book_ck B12. Equation null 3606
joi2022_yo1c_a A. 身長 (Height) null 3553
APG4bPython_cj EX13. 三人兄弟へのプレゼント null 3545
math_and_algorithm_s 019. Choose Cards 1 null 3484
tessoku_book_ay A51. Stack null 3367
math_and_algorithm_q 017. Least Common Multiple of N Integers null 3364
tessoku_book_ab A28. Blackboard null 3310
tessoku_book_v A22. Sugoroku null 3282
math_and_algorithm_i 009. Brute Force 2 null 3279
math_and_algorithm_u 021. Combination Easy null 3252
tessoku_book_ch B09. Papers null 3231
tessoku_book_u A21. Block Game null 3230
tessoku_book_az A52. Queue null 3170
math_and_algorithm_y 025. Jiro's Vacation null 3056
tessoku_book_bi A61. Adjacent Vertices null 3025
tessoku_book_ae A31. Divisors null 3022
joi2023_yo1a_a A. 長方形 (Rectangle) null 3003
math_and_algorithm_w 023. Dice Expectation null 2924
tessoku_book_ba A53. Priority Queue null 2921
tessoku_book_cp B17. Frog 1 with Restoration null 2911
math_and_algorithm_ap 049. Fibonacci Easy (mod 1000000007) null 2897
joi2024_yo1a_a A. 果物 (Fruit) null 2827
math_and_algorithm_bn 082. Interval Scheduling Problem null 2810
math_and_algorithm_x 024. Answer Exam Randomly null 2806
tessoku_book_aj A36. Travel null 2801
tessoku_book_bb A54. Map null 2788
math_and_algorithm_v 022. Choose Cards 3 null 2782
math_and_algorithm_ac 031. Taro's Vacation null 2752
tessoku_book_cq B18. Subset Sum with Restoration null 2747
tessoku_book_ak A37. Travel 2 null 2736
math_and_algorithm_t 020. Choose Cards 2 null 2694
math_and_algorithm_ab 029. Climb Stairs null 2690
tessoku_book_y A25. Number of Routes null 2666
tessoku_book_ad A30. Combination null 2664
tessoku_book_al A38. Black Company 1 null 2619
tessoku_book_cm B14. Another Subset Sum null 2559
joi2023_yo1b_a A. 時間 (Hour) null 2558
tessoku_book_x A24. LIS null 2509
tessoku_book_an A40. Triangle null 2491
tessoku_book_cr B19. Knapsack 2 null 2447
math_and_algorithm_z 026. Coin Gacha null 2416
tessoku_book_bl A64. Shortest Path 2 null 2403
awc0001_a A. Bacteria Growth Experiment null 2289
joi2023_yo1a_b B. ゾロ目 (Same Numbers) null 2264
joi2024_yo1c_a A. 分 (Minutes) null 2259
tessoku_book_ao A41. Tile Coloring null 2244
tessoku_book_ar A44. Change and Reverse null 2202
math_and_algorithm_aa 027. Sorting null 2167
joi2022_yo1c_b B. アイスクリーム (Ice Cream) null 2136
tessoku_book_ag A33. Game 2 null 2128
joi2024_yo1b_a A. 飴の袋詰め (Drops Packing) null 2126
tessoku_book_ap A42. Soccer null 2124
joi2023_yo1b_b B. 三方比較 (Three-Way Comparison) null 2118
tessoku_book_dx B51. Bracket null 2118
tessoku_book_bn A66. Connect Query null 2105
tessoku_book_bc A55. Set null 2099
tessoku_book_aq A43. Travel 3 null 2090
tessoku_book_cy B26. Output Prime Numbers null 2087
joi2024_yo1a_b B. 和の判定 (Sum Checker) null 2078
joi2022_yo2_a A. 図書館 2 (Library 2) null 2065
awc0001_b B. Exam Passers null 2024
tessoku_book_cz B27. Calculate LCM null 2019
tessoku_book_bg A59. RSQ (Range Sum Queries) null 1985
awc0001_c C. Discount Coupon null 1977
tessoku_book_cs B20. Edit Distance null 1973
tessoku_book_bm A65. Road to Promotion null 1969
math_and_algorithm_af 034. Nearest Points null 1957
math_and_algorithm_ad 032. Binary Search null 1894
tessoku_book_ai A35. Game 4 null 1894
tessoku_book_eh B61. Influencer null 1879
tessoku_book_be A57. Doubling null 1877
tessoku_book_bd A56. String Hash null 1865
tessoku_book_dd B31. Divisors Hard null 1848
tessoku_book_db B29. Power Hard null 1840
joi2023_yo2_a A. 年齢の差 (Age Difference) null 1819
tessoku_book_as A45. Card Elimination null 1816
joi2023_yo1c_a A. 2 桁の整数 (Two-digit Integer) null 1807
tessoku_book_bo A67. MST (Minimum Spanning Tree) null 1768
tessoku_book_di B36. Switching Lights null 1759
math_and_algorithm_ag 035. Two Circles null 1751
tessoku_book_dy B52. Ball Simulation null 1700
tessoku_book_ei B62. Print a Path null 1694
joi2024_yo1a_c C. ハミング距離 (Hamming Distance) null 1685
math_and_algorithm_ak 040. Travel null 1652
tessoku_book_ah A34. Game 3 null 1630
tessoku_book_ea B54. Counting Same Values null 1621
tessoku_book_de B32. Game 5 null 1603
joi2024_yo1b_b B. 火曜日 (Tuesday) null 1594
joi2025_yo1a_a A. 鉛筆 2 (Pencils 2) null 1593
tessoku_book_dc B30. Combination 2 null 1593
joi2023_yo1c_b B. 11 月 (November) null 1589
joi2022_yo1c_c C. 運動会 (Sports Day) null 1586
awc0002_a A. Organizing the Bookshelf null 1568
math_and_algorithm_ae 033. Distance null 1567
joi2023_yo1a_c C. 3 つの箱 (Three Boxes) null 1555
tessoku_book_ct B21. Longest Subpalindrome null 1554
tessoku_book_cv B23. Traveling Salesman Problem null 1550
loadchecking_a A. 好きな順列 null 1532
tessoku_book_dl B39. Taro's Job null 1532
tessoku_book_bh A60. Stock Price null 1512
tessoku_book_dm B40. Divide by 100 null 1483
awc0001_e E. Temperature Fluctuation Range null 1452
awc0002_b B. Fruit Sorting null 1448
tessoku_book_dp B43. Quiz Contest null 1438
awc0003_a A. Product Quality Evaluation null 1407
tessoku_book_bs A71. Homework null 1398
tessoku_book_dn B41. Reverse of Euclid null 1387
tessoku_book_ey C01. Tax Rate null 1372
awc0002_c C. Observing Plant Growth null 1369
ndpc2026_a A. Polyomino null 1368
joi2024_yo1b_c C. 画数数え (Stroke Count) null 1342
joi2025_yo1a_b B. 散歩 (Walking) null 1342
joig2022_a A. ピアノコンクール (Piano Competition) null 1339
awc0001_d D. Merchant on the Highway null 1338
tessoku_book_dq B44. Grid Operations null 1336
awc0003_b B. Line of Handshakes null 1331
tessoku_book_dr B45. Blackboard 2 null 1328
tessoku_book_ek B64. Shortest Path with Restoration null 1324
tessoku_book_at A46. Heuristic 1 null 1322
joi2024_yo2_a A. カードゲーム 2 (Card Game 2) null 1317
tessoku_book_dk B38. Heights of Grass null 1316
tessoku_book_bp A68. Maximum Flow null 1294
awc0002_d D. Keys and Treasure Boxes null 1287
joi2023_yo1a_d D. 二人三脚 (Three-Legged Race) null 1285
joi2024_yo1c_b B. 桁 (Digit) null 1273
awc0003_c C. Bargain Sale Selection null 1272
agc001_f F. Wide Swap null 1267
ndpc2026_b B. DAG null 1256
tessoku_book_cw B24. Many Boxes null 1251
joi2023_yo1b_c C. 繰り返し文字列 (Repeating String) null 1243
tessoku_book_df B33. Game 6 null 1242
joi2024_yo1a_d D. 現れている数字 (Appearing Numbers) null 1229
tessoku_book_eb B55. Difference null 1222
joi2022_yo2_b B. カーペット (Carpet) null 1209
math_and_algorithm_ao 047. Bipartite Graph null 1197
awc0004_a A. Preparations Before Departure null 1195
joi2025_yo1b_a A. 徒競走 (Footrace) null 1187
tessoku_book_do B42. Two Faced Cards null 1185
math_and_algorithm_ay 059. Power of Two null 1184
ahc040_a A. Packing Uncertain Rectangles null 1151
awc0004_b B. Battery Level null 1151
tessoku_book_el B65. Road to Promotion Hard null 1151
awc0005_a A. Reward of Multiples null 1142
tessoku_book_bq A69. Bipartite Matching null 1125
tessoku_book_ec B56. Palindrome Queries null 1123
ahc054_a A. Treant's Forest null 1117
tessoku_book_ez C02. Two Balls null 1117
tessoku_book_en B67. Max MST null 1115
ahc048_a A. Mixing on the Palette null 1111
awc0002_e E. Assortment of Sweets null 1107
tessoku_book_em B66. Typhoon null 1104
tessoku_book_ed B57. Calculator null 1103
joig2022_b B. 掛け算 (Multiplication) null 1102
joi2024_yo1b_d D. 繰り返し (Repetition) null 1101
tessoku_book_dg B34. Game 7 null 1090
joi2024_yo1c_c C. 揃った文字 (Matched Letters) null 1084
joi2022_yo1c_d D. ボールの移動 (Moving Balls) null 1083
ahc051_a A. Probabilistic Waste Sorting null 1081
awc0003_d D. Consecutive Practice Days null 1080
joi2025_yo1a_c C. OIJ (OIJ) null 1078
tessoku_book_bt A72. Tile Painting null 1072
awc0005_b B. Updating the Report Card null 1071
tessoku_book_ef B59. Number of Inversions null 1064
past202306_a A. ペナルティ null 1058
math_and_algorithm_ax 058. Move on Squares 1 null 1055
awc0004_c C. Minimum Cost of Temperature Adjustment null 1049
joi2023_yo2_b B. ジョイ四人組 (JOI04) null 1049
joi2023_yo1b_d D. 点数 (Score) null 1036
math_and_algorithm_az 060. Stones Game 1 null 1029
joi2023_yo1c_c C. JOI エディタ (JOI Editor) null 1021
tessoku_book_fb C04. Divisor Enumeration null 1016
joi2025_yo1c_b B. ブラックジャック (Blackjack) null 1015
tessoku_book_fa C03. Stock Queries null 1010
math_and_algorithm_bc 064. All Zero null 1005
past202109_a A. Bubbler null 995
tessoku_book_bu A73. Marathon Route null 990
math_and_algorithm_ar 051. Combination Hard null 987
past202112_a A. Attractions null 984
joi2025_yo1a_d D. どら焼き (Dorayaki) null 981
joi2023_yo1c_d D. マラソン大会 (Marathon Race) null 971
ndpc2026_c C. String null 965
joig2023_a A. 末尾の文字 (Last Letter) null 964
joi2024_yo1c_d D. 差 (Difference) null 958
tessoku_book_bv A74. Board Game null 956
joi2025_yo1b_b B. 鉄道旅行 3 (Railway Trip 3) null 955
tessoku_book_fc C05. Lucky Numbers null 954
math_and_algorithm_br 091. How Many Ways? null 952
math_and_algorithm_as 053. Sum of 4^N null 948
math_and_algorithm_ah 037. Intersection null 947
math_and_algorithm_bm 081. Bill Changing Problem null 947
math_and_algorithm_ba 061. Stones Game 2 null 946
past202109_b B. intersection null 922
tessoku_book_fd C06. Regular Graph null 919
tessoku_book_dj B37. Sum of Digits null 912
past202109_c C. Number of Apperance null 905
math_and_algorithm_bb 063. Move on Squares 2 null 897
past202107_a A. check digit null 896
tessoku_book_fe C07. ALGO-MARKET null 893
ahc008_a A. Territory null 890
joi2025_yo1c_a A. 所持金 (Money On Me) null 885
math_and_algorithm_at 054. Fibonacci Hard (mod 1000000000) null 879
awc0004_e E. Sum of Intervals null 878
ahc058_a A. Apple Incremental Game null 875
tessoku_book_bw A75. Examination null 875
fps_24_b B. 整数の組 null 872
past202107_b B. Vapor Pressure null 872
past202109_d D. Divisor null 868
fps_24_a A. お菓子 null 860
tessoku_book_bx A76. River Crossing null 860
awc0006_a A. Target Shooting Game null 853
ahc054_b A-Final. Treant's Forest (System Test) null 849
awc0005_c C. Staircase-Shaped Flower Bed null 846