Wanted

5065:problems_untagged

ID Name Difficulty Solver
tessoku_book_en B67. Max MST null 1139
tessoku_book_em B66. Typhoon null 1128
awc0002_e E. Assortment of Sweets null 1127
tessoku_book_ed B57. Calculator null 1127
awc0003_d D. Consecutive Practice Days null 1120
joi2024_yo1b_d D. 繰り返し (Repetition) null 1119
ahc054_a A. Treant's Forest null 1117
joig2022_b B. 掛け算 (Multiplication) null 1116
joi2024_yo1c_c C. 揃った文字 (Matched Letters) null 1115
ahc048_a A. Mixing on the Palette null 1111
joi2025_yo1a_c C. OIJ (OIJ) null 1110
tessoku_book_dg B34. Game 7 null 1110
tessoku_book_bt A72. Tile Painting null 1096
tessoku_book_ef B59. Number of Inversions null 1095
joi2022_yo1c_d D. ボールの移動 (Moving Balls) null 1094
awc0005_b B. Updating the Report Card null 1091
ahc051_a A. Probabilistic Waste Sorting null 1082
past202306_a A. ペナルティ null 1082
awc0004_c C. Minimum Cost of Temperature Adjustment null 1070
math_and_algorithm_ax 058. Move on Squares 1 null 1065
joi2023_yo2_b B. ジョイ四人組 (JOI04) null 1060
joi2025_yo1c_a A. 所持金 (Money On Me) null 1057
joi2023_yo1b_d D. 点数 (Score) null 1052
joi2025_yo1c_b B. ブラックジャック (Blackjack) null 1041
tessoku_book_fb C04. Divisor Enumeration null 1038
math_and_algorithm_az 060. Stones Game 1 null 1035
ndpc2026_c C. String null 1034
joi2023_yo1c_c C. JOI エディタ (JOI Editor) null 1033
tessoku_book_fa C03. Stock Queries null 1033
joi2025_yo1a_d D. どら焼き (Dorayaki) null 1016
math_and_algorithm_bc 064. All Zero null 1016
tessoku_book_bu A73. Marathon Route null 1016
past202109_a A. Bubbler null 999
math_and_algorithm_ar 051. Combination Hard null 995
joi2023_yo1c_d D. マラソン大会 (Marathon Race) null 994
past202112_a A. Attractions null 989
joi2024_yo1c_d D. 差 (Difference) null 985
joi2025_yo1b_b B. 鉄道旅行 3 (Railway Trip 3) null 978
tessoku_book_bv A74. Board Game null 978
tessoku_book_fc C05. Lucky Numbers null 977
joig2023_a A. 末尾の文字 (Last Letter) null 971
math_and_algorithm_br 091. How Many Ways? null 968
math_and_algorithm_bm 081. Bill Changing Problem null 957
math_and_algorithm_as 053. Sum of 4^N null 955
math_and_algorithm_ah 037. Intersection null 954
math_and_algorithm_ba 061. Stones Game 2 null 950
tessoku_book_fd C06. Regular Graph null 943
joi2026_yo1a_a A. 面積 (Area) null 941
tessoku_book_dj B37. Sum of Digits null 928
past202109_b B. intersection null 926
joi2026_yo1b_a A. 宿題 2 (Homework 2) null 916
past202109_c C. Number of Apperance null 909
tessoku_book_fe C07. ALGO-MARKET null 909
awc0004_e E. Sum of Intervals null 903
math_and_algorithm_bb 063. Move on Squares 2 null 902
past202107_a A. check digit null 901
fps_24_b B. 整数の組 null 898
tessoku_book_bw A75. Examination null 897
ahc008_a A. Territory null 893
fps_24_a A. お菓子 null 884
math_and_algorithm_at 054. Fibonacci Hard (mod 1000000000) null 883
tessoku_book_bx A76. River Crossing null 879
past202107_b B. Vapor Pressure null 878
awc0006_a A. Target Shooting Game null 877
ahc058_a A. Apple Incremental Game null 875
awc0005_c C. Staircase-Shaped Flower Bed null 875
past202109_d D. Divisor null 871
tessoku_book_ee B58. Jumping null 867
ahc054_b A-Final. Treant's Forest (System Test) null 849
math_and_algorithm_au 055. Recurrence Formula 1 null 845
awc0004_d D. Parking Lot Assignment null 842
ndpc2026_d D. Banknote null 827
joi2025_yo1b_c C. じゃんけん (Rock-Scissors-Paper) null 821
joig2023_b B. 絶対階差数列 (Sequence of Absolute Differences) null 815
math_and_algorithm_bg 073. Sum of Maximum null 815
past202107_c C. Validation null 815
joig2022_c C. 投票 (Voting) null 808
awc0006_b B. Efficient Quests null 807
math_and_algorithm_bs 092. Beautiful Rectangle null 807
past202107_d D. Replace null 803
awc0005_e E. Mountain Height Survey null 802
awc0007_a A. Selection of Delivery Trucks null 798
math_and_algorithm_av 056. Recurrence Formula 2 null 795
math_and_algorithm_bh 074. Sum of difference Easy null 792
math_and_algorithm_bq 087. Simple Math Easy null 791
past202112_b B. Perforated Coin null 789
awc0006_c C. Air Conditioner Temperature Adjustment null 781
past202109_e E. Colorful T-Shirts null 781
awc0005_d D. Splitting Delivery Packages null 775
fps_24_c C. 数列 null 775
agc020_f F. Arcs on a Circle null 763
awc0003_e E. Cargo Delivery Truck null 763
past202112_c C. Fastest Answer null 762
math_and_algorithm_bp 086. Parentheses Check null 757
awc0008_b B. Buildings Visible from the Sea null 756
joi2025_yo1c_c C. いずれか片方 (Either, but Not Both) null 753
awc0008_a A. Planting the Flower Bed null 746
tessoku_book_ff C08. ALGO4 null 745
math_and_algorithm_be 068. Number of Multiples 2 null 744
tessoku_book_fh C10. A Long Grid null 744
tessoku_book_aw A49. Heuristic 2 null 743
pakencamp_2021_day2_a A. Participants 2 null 740
past202309_a A. ツバメ null 739
joi2022ho_a A. インターカステラー (Intercastellar) null 737
awc0008_c C. Anomaly Detection in Sensor Data null 732
genocon2021_a A. Practice 1 null 728
past202203_a A. Three cards null 727
math_and_algorithm_bd 066. Three Cards null 722
math_and_algorithm_bo 085. Two Conditions null 717
math_and_algorithm_bj 077. Distance Sum null 707
past202112_d D. Examination null 707
past202107_e E. Aoki's Trick null 703
past202203_b B. Flowers null 702
pakencamp_2020_day1_c C. 皆勤賞 null 700
codequeen2023_final_a A. QUEN null 699
joi2024_yo2_b B. 買い物 2 (Shopping 2) null 685
awc0007_b B. Laboratories That Can Collaborate null 682
past202112_e E. Keyboard null 676
1202Contest_a A. DEGwer's Doctoral Dissertation null 674
joi2025_yo2_a A. マスキングテープ (Masking Tape) null 672
past202109_f F. Incomplete Permutation null 672
joi2026_yo1b_b B. 帰省 2 (Homecoming 2) null 669
past202206_a A. The Tortoise and the Hare null 667
awc0007_c C. Group Knockout Battle null 664
joi2026_yo1a_b B. ノートパソコン (Laptop) null 663
ndpc2026_e E. Summer Vacation null 663
past202107_f F. Double Booking null 662
math_and_algorithm_bi 075. Pyramid null 659
math_and_algorithm_by 089. Log Inequality 2 null 659
awc0006_d D. Placement of Security Guards null 653
math_and_algorithm_bk 078. Difference Optimization 1 null 652
tessoku_book_ep B69. Black Company 2 null 647
awc0009_a A. Total Shopping Amount null 643
pakencamp_2020_day2_a A. Participants null 637
joig2022_d D. いちご 2 (Strawberry 2) null 634
joig2023_c C. 鐘 (Bell) null 634
awc0008_d D. Orchard Harvest null 630
awc0100_a A. Calculating Part-Time Job Pay null 629
fps_24_d D. 数列 2 null 629
codequeen2024_final_b C. Decode Time Signal null 624
awc0010_a A. Distributing Requests to Servers null 622
joig2024_a A. 三連続 (Three Consecutive) null 621
tessoku_book_fi C11. Election null 615
awc0007_d D. Investigation of Overlapping Advertisement Areas null 612
awc0006_e E. Store Sales Management null 611
joi2025_yo1b_d D. 三角足し算 (Triangle Addition) null 610
past202212_a A. Tokens null 606
fps_24_e E. 数列 3 null 604
awc0010_b B. Piano Practice null 600
awc0009_b B. Dungeon Exploration null 599
awc0100_b B. Cooking Contest null 597
codequeen2024_final_a B. Welcome to AtCoder Land 2 null 596
past202203_c C. Go Further null 594
joi2026_yo1a_c C. シャッフル 2 (Shuffle 2) null 593
past17_a A. BMI null 592
agc012_f F. Prefix Median null 591
awc0009_c C. Apple Harvest null 585
past202203_d D. High Score null 584
fps_24_f F. 色紙 null 583
joi2026_yo1c_a A. テスト (Test) null 583
joig2024_b B. ダンス (Dance) null 581
past202303_a A. シンプル石取りゲーム null 581
ttpc2022_a A. Next TTPC 2 null 581
joi2023_yo2_c C. 塗りつぶし (Painting) null 578
past202206_b B. Two Letters null 578
math_and_algorithm_bf 071. Linear Programming null 576
past202309_b B. スロット null 575
past202112_f F. Like As Shogi null 572
codequeen2023_final_b B. N-Queens Problem null 571
tessoku_book_fk C13. Select 2 null 568
past202109_h H. Shortest Path null 567
awc0010_d D. Rock Destruction null 566
past202112_g G. Connectivity null 565
past202306_b B. 殿堂入り null 564
awc0008_e E. Organizing the Bookshelf null 562
joi2023ho_a A. 碁石ならべ 2 (Stone Arranging 2) null 562
awc0012_a A. Typhoon Damage Survey null 561
joisc2015_k K. 遺産相続 null 561
past202206_c C. Order null 561
pakencamp_2021_day2_b B. Pasokon Power null 560
tessoku_book_eo B68. ALGO Express null 559
awc0013_a A. Path to the Target Score null 557
math_and_algorithm_bt 097. Primes in an Interval null 554
awc0010_c C. Mountain Hut Trails null 550
past17_e E. 連長圧縮 null 547
past202209_a A. Trafic Light null 543
rcl_contest_2021_a A. 魔法使いXの戦い null 540
past202309_c C. コンテスト null 533
past19_a A. 毎時運行 null 530
tessoku_book_fl C14. Commute Route null 528
kupc2021_a A. Standing Sign null 526
awc0015_a A. Dot Product Calculation null 523
past202109_i I. /2 and *3 null 523
awc0014_a A. Loading Cargo null 521
awc0100_d D. Team Division null 521
past202212_b B. Fractional Comparison null 520
past202107_g G. Power Expression null 519
joi2021ho_a A. とてもたのしい家庭菜園 (Growing Vegetables is Fun 4) null 518
nadafes2022_day1_a A. Max Inversion null 518
ndpc2026_h H. Coin null 516
past202203_g G. Equations null 516
past17_b B. フルコンボ null 515
awc0013_c C. Optimal Pairing for a Tournament null 514
joi2022ho_b B. 自習 (Self Study) null 514
awc0011_a A. A Walk Along the Cherry Blossom Trees null 508
past202303_c C. 逆順列 null 506
math_and_algorithm_bl 080. Difference Optimization 2 null 505
past202209_b B. Credits null 505
awc0013_b B. Investigation of Friend Relationships null 504
awc0016_a A. Over Budget null 504
awc0100_e E. Mountain View null 502
awc0012_b B. Factory Quality Inspection null 501
joi2021ho_b B. 雪玉 (Snowball) null 499
past202112_h H. Longest Non-common Subsequence null 499
fps_24_i I. スコア null 498
past202109_j J. Reverse Array null 498
awc0009_d D. Planting Flower Seeds null 497
joi2017ho_b B. 準急電車 (Semiexpress) null 494
awc0009_e E. Temperature Fluctuation Survey null 493
joi2025_yo1c_d D. 周期文字列 (Cycle String) null 491
past202212_c C. Triplet Product null 491
awc0011_c C. Maximum Number of Team Members null 490
tessoku_book_fj C12. Taro the Novel Writer null 489
utpc2020_a A. Row of Tents null 489
birthday0410_a A. A + B null 488
awc0012_c C. Team Formation null 486
past17_c C. 換金 null 486
past202209_c C. Biased Dice null 486
fps_24_g G. 硬貨 null 485
pakencamp_2021_day2_c C. Participants 3 null 484
awc0016_b B. Exam Preparation null 482
joi2025_yo2_b B. ビリヤード (Billiards) null 482
pakencamp_2022_day1_a A. Rook null 482
rcl_contest_2021_b B. マッサージチェア2021 null 482
awc0011_b B. Creating Mosaic Art null 481
awc0017_a A. Organizing the Bookshelf null 481
awc0015_b B. First Alert null 478
awc0020_a A. Equalizing Water null 478
awc0016_c C. Choosing Souvenirs null 477
pakencamp_2020_day1_f F. Fibonaccyan null 476
awc0018_a A. Round-Trip Patrol null 475
past202203_e E. Only 2 kinds null 475
past202203_f F. Coloring map null 474
joisc2014_e E. 水筒 null 472
past202212_e E. Parentheses null 472
awc0007_e E. Warehouse Robot Delivery null 469
past202206_d D. Similar Strings null 465
pakencamp_2021_day3_a A. 出欠確認 null 464
awc0100_f F. Sales Target for Consecutive Intervals null 463
fps_24_h H. ジャンプ null 461
joig2023_d D. コイン集め 2 (Coin Collecting 2) null 461
awc0100_c C. Permission Management System null 459
ndpc2026_f F. Set null 459
awc0017_b B. Brightness of Street Lights null 457
awc0011_d D. Family Tree and Inheritance null 454
joi2026_yo1b_c C. 葵とIOI (Aoi and IOI) null 454
past19_b B. 入金と出金 null 454
awc0014_b B. Marathon null 451
joi2024ho_a A. 室温 (Room Temperature) null 451
past202206_g G. Is it a tree? null 451
past202212_d D. Bozu Mekuri null 450
awc0100_g G. Circle of Friends null 449
past202206_f F. Gun Shooting null 449
oupc2023_day1_a A. Mijingiri null 448
awc0019_a A. Number of Successful Applicants null 447
ndpc2026_g G. Mouth null 447
awc0017_c C. Same Color Check in the Flower Bed null 446
past202303_b B. 小数点第 D 位 null 446
awc0010_e E. Exhibition Booth Arrangement null 443
awc0013_d D. Distance Between Cities null 443
pakencamp_2020_day1_e E. Amary null 441
awc0012_d D. Escape from the Maze null 440
awc0019_b B. Cheerful Support Message null 435
tupc2022_a A. Sum Sort null 433
joig2022_e E. エゴイ展 (EGOI Exhibition) null 431
pakencamp_2021_day2_d D. 選択問題の正答はすべて同じ選択肢で… null 429
pakencamp_2023_day1_a A. Kazuate Game null 429
past202206_e E. Strange Sequence null 429
past202209_d D. Marking null 429
awc0019_c C. Consecutive Card Distribution null 428
joi2016ho_c C. 鉄道運賃 (Train Fare) null 427
past202112_i I. Direct Elevator null 427
past202309_e E. 10 の n 乗 null 426
codequeen2023_final_c C. Path Intersection null 425
awc0015_d D. Assignment of Cooking Tasks null 424
joi2022_yo2_d D. 飴 2 (Candies 2) null 424
awc0021_a A. Counting the Number of Successful Applicants null 423
awc0025_a A. Passing Score null 423
past17_d D. Webサービス null 423
tessoku_book_fm C15. Many Meetings null 422
awc0015_c C. Matchup Card Combinations null 420
past202303_f F. 集合の問題 null 418
awc0012_e E. Stone Crossing Game null 413
joisc2008_fraction fraction. 分数 (Fraction) null 413
tessoku_book_fo C17. Strange Data Structure? null 413
past202107_i I. Nevus null 412
awc0016_d D. The Path of Carrying Luggage null 409
awc0017_d D. Team Building null 408
past202112_k K. Gas Station null 408
awc0014_d D. Round-Trip Delivery null 407