Wanted

5645:problems_untagged

ID Name Difficulty Solver
joi2024_yo1a_a A. 果物 (Fruit) null 3187
tessoku_book_bi A61. Adjacent Vertices null 3187
tessoku_book_ae A31. Divisors null 3179
joi2023_yo1a_a A. 長方形 (Rectangle) null 3146
math_and_algorithm_y 025. Jiro's Vacation null 3124
tessoku_book_ba A53. Priority Queue null 3071
tessoku_book_cp B17. Frog 1 with Restoration null 3061
math_and_algorithm_ap 049. Fibonacci Easy (mod 1000000007) null 3017
math_and_algorithm_w 023. Dice Expectation null 2981
tessoku_book_aj A36. Travel null 2951
math_and_algorithm_bn 082. Interval Scheduling Problem null 2949
tessoku_book_bb A54. Map null 2936
tessoku_book_ak A37. Travel 2 null 2888
tessoku_book_cq B18. Subset Sum with Restoration null 2874
math_and_algorithm_x 024. Answer Exam Randomly null 2862
math_and_algorithm_v 022. Choose Cards 3 null 2855
math_and_algorithm_ac 031. Taro's Vacation null 2824
tessoku_book_y A25. Number of Routes null 2813
tessoku_book_ad A30. Combination null 2799
math_and_algorithm_t 020. Choose Cards 2 null 2758
math_and_algorithm_ab 029. Climb Stairs null 2757
tessoku_book_al A38. Black Company 1 null 2751
joi2023_yo1b_a A. 時間 (Hour) null 2716
tessoku_book_cm B14. Another Subset Sum null 2679
tessoku_book_x A24. LIS null 2651
tessoku_book_an A40. Triangle null 2624
joi2024_yo1c_a A. 分 (Minutes) null 2582
tessoku_book_cr B19. Knapsack 2 null 2554
tessoku_book_bl A64. Shortest Path 2 null 2551
joi2023_yo1a_b B. ゾロ目 (Same Numbers) null 2479
math_and_algorithm_z 026. Coin Gacha null 2472
joi2024_yo1b_a A. 飴の袋詰め (Drops Packing) null 2447
awc0001_a A. Bacteria Growth Experiment null 2422
tessoku_book_ao A41. Tile Coloring null 2365
joi2024_yo1a_b B. 和の判定 (Sum Checker) null 2344
joi2023_yo1b_b B. 三方比較 (Three-Way Comparison) null 2309
tessoku_book_ar A44. Change and Reverse null 2309
joi2022_yo1c_b B. アイスクリーム (Ice Cream) null 2258
tessoku_book_ag A33. Game 2 null 2239
tessoku_book_bn A66. Connect Query null 2229
tessoku_book_ap A42. Soccer null 2223
math_and_algorithm_aa 027. Sorting null 2221
tessoku_book_bc A55. Set null 2216
tessoku_book_dx B51. Bracket null 2208
tessoku_book_cy B26. Output Prime Numbers null 2194
tessoku_book_aq A43. Travel 3 null 2186
awc0001_b B. Exam Passers null 2171
joi2022_yo2_a A. 図書館 2 (Library 2) null 2151
tessoku_book_cz B27. Calculate LCM null 2122
tessoku_book_bg A59. RSQ (Range Sum Queries) null 2112
tessoku_book_cs B20. Edit Distance null 2105
awc0001_c C. Discount Coupon null 2102
tessoku_book_bm A65. Road to Promotion null 2064
math_and_algorithm_af 034. Nearest Points null 2010
tessoku_book_ai A35. Game 4 null 1998
tessoku_book_be A57. Doubling null 1978
tessoku_book_eh B61. Influencer null 1975
tessoku_book_bd A56. String Hash null 1959
math_and_algorithm_ad 032. Binary Search null 1944
tessoku_book_dd B31. Divisors Hard null 1943
joi2025_yo1a_a A. 鉛筆 2 (Pencils 2) null 1933
tessoku_book_db B29. Power Hard null 1929
joi2023_yo2_a A. 年齢の差 (Age Difference) null 1918
joi2023_yo1c_a A. 2 桁の整数 (Two-digit Integer) null 1912
tessoku_book_as A45. Card Elimination null 1898
tessoku_book_bo A67. MST (Minimum Spanning Tree) null 1855
tessoku_book_di B36. Switching Lights null 1844
joi2024_yo1b_b B. 火曜日 (Tuesday) null 1837
joi2024_yo1a_c C. ハミング距離 (Hamming Distance) null 1799
math_and_algorithm_ag 035. Two Circles null 1791
tessoku_book_dy B52. Ball Simulation null 1787
tessoku_book_ei B62. Print a Path null 1781
math_and_algorithm_ak 040. Travel null 1727
joi2023_yo1c_b B. 11 月 (November) null 1724
tessoku_book_ah A34. Game 3 null 1715
tessoku_book_ea B54. Counting Same Values null 1703
tessoku_book_de B32. Game 5 null 1689
joi2022_yo1c_c C. 運動会 (Sports Day) null 1686
tessoku_book_dc B30. Combination 2 null 1672
awc0002_a A. Organizing the Bookshelf null 1663
tessoku_book_ct B21. Longest Subpalindrome null 1638
ndpc2026_a A. Polyomino null 1626
tessoku_book_cv B23. Traveling Salesman Problem null 1625
joi2023_yo1a_c C. 3 つの箱 (Three Boxes) null 1618
math_and_algorithm_ae 033. Distance null 1604
tessoku_book_bh A60. Stock Price null 1602
tessoku_book_dl B39. Taro's Job null 1600
joi2025_yo1a_b B. 散歩 (Walking) null 1577
tessoku_book_dm B40. Divide by 100 null 1566
awc0002_b B. Fruit Sorting null 1543
loadchecking_a A. 好きな順列 null 1537
tessoku_book_dp B43. Quiz Contest null 1518
awc0001_e E. Temperature Fluctuation Range null 1510
awc0003_a A. Product Quality Evaluation null 1499
ndpc2026_b B. DAG null 1492
awc0002_c C. Observing Plant Growth null 1482
joi2025_yo1b_a A. 徒競走 (Footrace) null 1479
tessoku_book_bs A71. Homework null 1461
tessoku_book_dn B41. Reverse of Euclid null 1456
awc0003_b B. Line of Handshakes null 1438
tessoku_book_ey C01. Tax Rate null 1433
joi2024_yo1b_c C. 画数数え (Stroke Count) null 1426
joi2024_yo1c_b B. 桁 (Digit) null 1415
joi2024_yo2_a A. カードゲーム 2 (Card Game 2) null 1407
awc0001_d D. Merchant on the Highway null 1398
joig2022_a A. ピアノコンクール (Piano Competition) null 1398
tessoku_book_dq B44. Grid Operations null 1398
tessoku_book_dr B45. Blackboard 2 null 1391
tessoku_book_ek B64. Shortest Path with Restoration null 1388
tessoku_book_bp A68. Maximum Flow null 1380
tessoku_book_dk B38. Heights of Grass null 1373
awc0002_d D. Keys and Treasure Boxes null 1368
tessoku_book_at A46. Heuristic 1 null 1365
awc0003_c C. Bargain Sale Selection null 1358
joi2023_yo1b_c C. 繰り返し文字列 (Repeating String) null 1340
joi2023_yo1a_d D. 二人三脚 (Three-Legged Race) null 1333
agc001_f F. Wide Swap null 1331
tessoku_book_cw B24. Many Boxes null 1323
tessoku_book_df B33. Game 6 null 1305
joi2024_yo1a_d D. 現れている数字 (Appearing Numbers) null 1304
awc0004_a A. Preparations Before Departure null 1299
tessoku_book_eb B55. Difference null 1296
joi2026_yo1a_a A. 面積 (Area) null 1284
joi2022_yo2_b B. カーペット (Carpet) null 1254
math_and_algorithm_ao 047. Bipartite Graph null 1254
tessoku_book_do B42. Two Faced Cards null 1237
awc0005_a A. Reward of Multiples null 1233
joi2025_yo1a_c C. OIJ (OIJ) null 1217
math_and_algorithm_ay 059. Power of Two null 1212
tessoku_book_el B65. Road to Promotion Hard null 1208
aalc001_a A. Segment Tree null 1201
tessoku_book_bq A69. Bipartite Matching null 1201
awc0004_b B. Battery Level null 1198
joi2026_yo1b_a A. 宿題 2 (Homework 2) null 1198
joi2024_yo1c_c C. 揃った文字 (Matched Letters) null 1177
tessoku_book_ec B56. Palindrome Queries null 1176
tessoku_book_en B67. Max MST null 1176
joi2024_yo1b_d D. 繰り返し (Repetition) null 1171
tessoku_book_ez C02. Two Balls null 1171
ahc040_a A. Packing Uncertain Rectangles null 1166
tessoku_book_ed B57. Calculator null 1166
tessoku_book_em B66. Typhoon null 1165
awc0002_e E. Assortment of Sweets null 1157
joig2022_b B. 掛け算 (Multiplication) null 1155
joi2025_yo1c_a A. 所持金 (Money On Me) null 1154
awc0003_d D. Consecutive Practice Days null 1150
ndpc2026_c C. String null 1149
tessoku_book_dg B34. Game 7 null 1147
joi2025_yo1c_b B. ブラックジャック (Blackjack) null 1145
awc0004_c C. Minimum Cost of Temperature Adjustment null 1142
awc0005_b B. Updating the Report Card null 1140
joi2022_yo1c_d D. ボールの移動 (Moving Balls) null 1140
tessoku_book_ef B59. Number of Inversions null 1136
tessoku_book_bt A72. Tile Painting null 1124
ahc054_a A. Treant's Forest null 1123
past202306_a A. ペナルティ null 1115
ahc048_a A. Mixing on the Palette null 1113
joi2025_yo1a_d D. どら焼き (Dorayaki) null 1096
joi2023_yo1b_d D. 点数 (Score) null 1089
joi2023_yo2_b B. ジョイ四人組 (JOI04) null 1088
ahc051_a A. Probabilistic Waste Sorting null 1087
math_and_algorithm_ax 058. Move on Squares 1 null 1085
joi2023_yo1c_c C. JOI エディタ (JOI Editor) null 1070
tessoku_book_fb C04. Divisor Enumeration null 1069
tessoku_book_fa C03. Stock Queries null 1063
joi2025_yo1b_b B. 鉄道旅行 3 (Railway Trip 3) null 1056
math_and_algorithm_az 060. Stones Game 1 null 1055
tessoku_book_bu A73. Marathon Route null 1043
aalc001_b B. Lazy Segment Tree null 1035
joi2024_yo1c_d D. 差 (Difference) null 1033
math_and_algorithm_bc 064. All Zero null 1033
joi2023_yo1c_d D. マラソン大会 (Marathon Race) null 1029
joi2026_yo1a_b B. ノートパソコン (Laptop) null 1028
math_and_algorithm_ar 051. Combination Hard null 1015
past202109_a A. Bubbler null 1009
joig2023_a A. 末尾の文字 (Last Letter) null 1007
tessoku_book_fc C05. Lucky Numbers null 1007
tessoku_book_bv A74. Board Game null 1003
past202112_a A. Attractions null 997
math_and_algorithm_br 091. How Many Ways? null 989
math_and_algorithm_bm 081. Bill Changing Problem null 979
fps_24_b B. 整数の組 null 977
math_and_algorithm_as 053. Sum of 4^N null 976
tessoku_book_fd C06. Regular Graph null 976
math_and_algorithm_ah 037. Intersection null 972
fps_24_a A. お菓子 null 970
math_and_algorithm_ba 061. Stones Game 2 null 968
tessoku_book_dj B37. Sum of Digits null 953
joi2026_yo1b_b B. 帰省 2 (Homecoming 2) null 935
tessoku_book_fe C07. ALGO-MARKET null 935
past202109_b B. intersection null 933
joi2025_yo1b_c C. じゃんけん (Rock-Scissors-Paper) null 932
awc0006_a A. Target Shooting Game null 930
awc0004_e E. Sum of Intervals null 925
joi2026_yo1a_c C. シャッフル 2 (Shuffle 2) null 925
tessoku_book_bw A75. Examination null 922
math_and_algorithm_bb 063. Move on Squares 2 null 921
past202109_c C. Number of Apperance null 917
ndpc2026_d D. Banknote null 915
tessoku_book_ee B58. Jumping null 910
past202107_a A. check digit null 907
math_and_algorithm_at 054. Fibonacci Hard (mod 1000000000) null 906
awc0005_c C. Staircase-Shaped Flower Bed null 898
tessoku_book_bx A76. River Crossing null 897
ahc008_a A. Territory null 894
ahc058_a A. Apple Incremental Game null 887
past202107_b B. Vapor Pressure null 883
past202109_d D. Divisor null 879
fps_24_c C. 数列 null 871
joi2026_yo1c_a A. テスト (Test) null 870
math_and_algorithm_au 055. Recurrence Formula 1 null 865
aalc001_c C. Binary Search on a Segment Tree null 863
awc0004_d D. Parking Lot Assignment null 860
ahc054_b A-Final. Treant's Forest (System Test) null 849
joig2022_c C. 投票 (Voting) null 837
joig2023_b B. 絶対階差数列 (Sequence of Absolute Differences) null 836
math_and_algorithm_bs 092. Beautiful Rectangle null 832
math_and_algorithm_bg 073. Sum of Maximum null 831
awc0006_b B. Efficient Quests null 828
awc0005_e E. Mountain Height Survey null 826
past202107_c C. Validation null 820
awc0007_a A. Selection of Delivery Trucks null 818
joi2025_yo1c_c C. いずれか片方 (Either, but Not Both) null 818
math_and_algorithm_av 056. Recurrence Formula 2 null 818
math_and_algorithm_bq 087. Simple Math Easy null 813
awc0005_d D. Splitting Delivery Packages null 811
past202107_d D. Replace null 811
math_and_algorithm_bh 074. Sum of difference Easy null 808
awc0006_c C. Air Conditioner Temperature Adjustment null 804
past202109_e E. Colorful T-Shirts null 794
past202112_b B. Perforated Coin null 794
aalc001_d D. Inversion Count null 789
agc020_f F. Arcs on a Circle null 781
awc0008_b B. Buildings Visible from the Sea null 781
awc0003_e E. Cargo Delivery Truck null 778
math_and_algorithm_bp 086. Parentheses Check null 775
joi2022ho_a A. インターカステラー (Intercastellar) null 767
past202112_c C. Fastest Answer null 767
math_and_algorithm_be 068. Number of Multiples 2 null 765
awc0008_a A. Planting the Flower Bed null 764
tessoku_book_aw A49. Heuristic 2 null 762
tessoku_book_fh C10. A Long Grid null 762
awc0008_c C. Anomaly Detection in Sensor Data null 761
tessoku_book_ff C08. ALGO4 null 761
past202309_a A. ツバメ null 750
ndpc2026_e E. Summer Vacation null 745
pakencamp_2021_day2_a A. Participants 2 null 743
math_and_algorithm_bd 066. Three Cards null 739
awc0007_b B. Laboratories That Can Collaborate null 735
math_and_algorithm_bo 085. Two Conditions null 734
past202203_a A. Three cards null 732
joi2025_yo2_a A. マスキングテープ (Masking Tape) null 731
genocon2021_a A. Practice 1 null 728
math_and_algorithm_bj 077. Distance Sum null 720
joi2024_yo2_b B. 買い物 2 (Shopping 2) null 714
past202112_d D. Examination null 713
aalc001_e E. RGB null 711
awc0007_c C. Group Knockout Battle null 711
past202107_e E. Aoki's Trick null 709
past202203_b B. Flowers null 707
codequeen2023_final_a A. QUEN null 702
fps_24_d D. 数列 2 null 701
pakencamp_2020_day1_c C. 皆勤賞 null 701
past202112_e E. Keyboard null 681
1202Contest_a A. DEGwer's Doctoral Dissertation null 679
awc0006_d D. Placement of Security Guards null 679
past202109_f F. Incomplete Permutation null 679
joi2026_yo1b_c C. 葵とIOI (Aoi and IOI) null 678
math_and_algorithm_by 089. Log Inequality 2 null 676
awc0007_d D. Investigation of Overlapping Advertisement Areas null 674
math_and_algorithm_bi 075. Pyramid null 674
tessoku_book_ep B69. Black Company 2 null 674
past202206_a A. The Tortoise and the Hare null 673
fps_24_f F. 色紙 null 671
math_and_algorithm_bk 078. Difference Optimization 1 null 670
awc0009_a A. Total Shopping Amount null 667
past202107_f F. Double Booking null 667
fps_24_e E. 数列 3 null 665
awc0009_b B. Dungeon Exploration null 660
aalc001_f F. Run null 659
joig2022_d D. いちご 2 (Strawberry 2) null 659
awc0100_a A. Calculating Part-Time Job Pay null 657
joi2025_yo1b_d D. 三角足し算 (Triangle Addition) null 654
joig2023_c C. 鐘 (Bell) null 654
joig2024_a A. 三連続 (Three Consecutive) null 651
awc0009_c C. Apple Harvest null 649
awc0008_d D. Orchard Harvest null 648
awc0010_a A. Distributing Requests to Servers null 645
pakencamp_2020_day2_a A. Participants null 639
awc0006_e E. Store Sales Management null 631
tessoku_book_fi C11. Election null 630
agc012_f F. Prefix Median null 627
codequeen2024_final_b C. Decode Time Signal null 625
awc0100_b B. Cooking Contest null 624
awc0010_b B. Piano Practice null 621
joig2024_b B. ダンス (Dance) null 610
past202212_a A. Tokens null 610
tessoku_book_eo B68. ALGO Express null 606
awc0010_c C. Mountain Hut Trails null 599
past202203_c C. Go Further null 599