Wanted

5645:problems_untagged

ID Name Difficulty Solver
codequeen2024_final_a B. Welcome to AtCoder Land 2 null 597
past17_a A. BMI null 596
math_and_algorithm_bf 071. Linear Programming null 592
joi2023_yo2_c C. 塗りつぶし (Painting) null 589
awc0010_d D. Rock Destruction null 587
past202203_d D. High Score null 587
joi2026_yo1c_c C. ビルディング 5 (Building 5) null 586
ndpc2026_h H. Coin null 586
past202303_a A. シンプル石取りゲーム null 585
past202206_b B. Two Letters null 584
aalc001_h H. Add and Mod null 582
awc0013_a A. Path to the Target Score null 582
joi2023ho_a A. 碁石ならべ 2 (Stone Arranging 2) null 582
past202309_b B. スロット null 582
awc0008_e E. Organizing the Bookshelf null 581
awc0012_a A. Typhoon Damage Survey null 581
ttpc2022_a A. Next TTPC 2 null 581
past202112_f F. Like As Shogi null 580
tessoku_book_fk C13. Select 2 null 580
codequeen2023_final_b B. N-Queens Problem null 575
math_and_algorithm_bt 097. Primes in an Interval null 575
past202109_h H. Shortest Path null 573
joi2026_yo1c_b B. リンゴ (Apple) null 572
joisc2015_k K. 遺産相続 null 570
past202112_g G. Connectivity null 570
aalc001_g G. Sum of k-th Powers null 569
past202306_b B. 殿堂入り null 569
past202206_c C. Order null 566
awc0012_b B. Factory Quality Inspection null 565
joi2026_yo1a_d D. oxゲーム (Xs and Os) null 561
pakencamp_2021_day2_b B. Pasokon Power null 560
past17_e E. 連長圧縮 null 558
awc0015_a A. Dot Product Calculation null 549
awc0011_b B. Creating Mosaic Art null 547
past202209_a A. Trafic Light null 547
awc0100_d D. Team Division null 546
awc0020_a A. Equalizing Water null 545
tessoku_book_fl C14. Commute Route null 545
fps_24_i I. スコア null 543
awc0009_d D. Planting Flower Seeds null 541
fps_24_g G. 硬貨 null 540
rcl_contest_2021_a A. 魔法使いXの戦い null 540
awc0014_a A. Loading Cargo null 539
past202309_c C. コンテスト null 538
awc0013_c C. Optimal Pairing for a Tournament null 537
past19_a A. 毎時運行 null 537
joi2022ho_b B. 自習 (Self Study) null 535
joi2021ho_a A. とてもたのしい家庭菜園 (Growing Vegetables is Fun 4) null 531
awc0011_a A. A Walk Along the Cherry Blossom Trees null 529
kupc2021_a A. Standing Sign null 527
past202109_i I. /2 and *3 null 527
awc0013_b B. Investigation of Friend Relationships null 526
awc0016_a A. Over Budget null 526
joi2025_yo1c_d D. 周期文字列 (Cycle String) null 524
past202107_g G. Power Expression null 524
awc0100_e E. Mountain View null 523
past202212_b B. Fractional Comparison null 523
ndpc2026_f F. Set null 522
past202203_g G. Equations null 522
nadafes2022_day1_a A. Max Inversion null 519
math_and_algorithm_bl 080. Difference Optimization 2 null 518
past17_b B. フルコンボ null 518
joi2021ho_b B. 雪玉 (Snowball) null 514
awc0011_c C. Maximum Number of Team Members null 513
awc0009_e E. Temperature Fluctuation Survey null 512
joi2025_yo2_b B. ビリヤード (Billiards) null 512
past202209_b B. Credits null 509
past202303_c C. 逆順列 null 509
awc0012_c C. Team Formation null 507
past202109_j J. Reverse Array null 506
awc0016_b B. Exam Preparation null 503
past202112_h H. Longest Non-common Subsequence null 503
fps_24_h H. ジャンプ null 502
awc0015_b B. First Alert null 500
awc0017_a A. Organizing the Bookshelf null 500
awc0018_a A. Round-Trip Patrol null 500
joi2017ho_b B. 準急電車 (Semiexpress) null 500
joi2026_yo1b_d D. 距離 (Distance) null 500
tessoku_book_fj C12. Taro the Novel Writer null 499
ndpc2026_g G. Mouth null 497
awc0016_c C. Choosing Souvenirs null 496
past202212_c C. Triplet Product null 494
awc0021_a A. Counting the Number of Successful Applicants null 493
birthday0410_a A. A + B null 493
past202209_c C. Biased Dice null 490
past17_c C. 換金 null 489
utpc2020_a A. Row of Tents null 489
awc0007_e E. Warehouse Robot Delivery null 486
awc0100_f F. Sales Target for Consecutive Intervals null 485
pakencamp_2021_day2_c C. Participants 3 null 484
joisc2014_e E. 水筒 null 483
pakencamp_2022_day1_a A. Rook null 482
rcl_contest_2021_b B. マッサージチェア2021 null 482
joig2023_d D. コイン集め 2 (Coin Collecting 2) null 481
past202203_e E. Only 2 kinds null 479
past202212_e E. Parentheses null 477
awc0017_b B. Brightness of Street Lights null 476
awc0100_c C. Permission Management System null 476
pakencamp_2020_day1_f F. Fibonaccyan null 476
past202203_f F. Coloring map null 476
past202206_d D. Similar Strings null 473
awc0011_d D. Family Tree and Inheritance null 472
awc0100_g G. Circle of Friends null 471
awc0014_b B. Marathon null 470
past202206_g G. Is it a tree? null 469
awc0019_a A. Number of Successful Applicants null 468
joi2024ho_a A. 室温 (Room Temperature) null 468
awc0017_c C. Same Color Check in the Flower Bed null 465
pakencamp_2021_day3_a A. 出欠確認 null 465
past19_b B. 入金と出金 null 462
awc0013_d D. Distance Between Cities null 461
awc0020_b B. Climbing to the Summit null 461
awc0012_d D. Escape from the Maze null 460
awc0010_e E. Exhibition Booth Arrangement null 458
joig2022_e E. エゴイ展 (EGOI Exhibition) null 455
awc0019_b B. Cheerful Support Message null 454
past202212_d D. Bozu Mekuri null 453
past202206_f F. Gun Shooting null 451
awc0019_c C. Consecutive Card Distribution null 450
past202303_b B. 小数点第 D 位 null 450
oupc2023_day1_a A. Mijingiri null 449
awc0150_a A. Optimization of Circular Security null 447
joi2026_yo1c_d D. 走り幅跳び (Long Jump) null 446
awc0025_a A. Passing Score null 443
pakencamp_2020_day1_e E. Amary null 442
awc0015_d D. Assignment of Cooking Tasks null 441
joi2022_yo2_d D. 飴 2 (Candies 2) null 438
awc0015_c C. Matchup Card Combinations null 437
tupc2022_a A. Sum Sort null 434
past202209_d D. Marking null 433
joi2016ho_c C. 鉄道運賃 (Train Fare) null 432
pakencamp_2023_day1_a A. Kazuate Game null 432
past202206_e E. Strange Sequence null 432
awc0012_e E. Stone Crossing Game null 431
past202112_i I. Direct Elevator null 431
past202309_e E. 10 の n 乗 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
awc0020_c C. Organizing the Bookshelf null 427
codequeen2023_final_c C. Path Intersection null 427
tessoku_book_fm C15. Many Meetings null 427
past17_d D. Webサービス null 426
awc0016_d D. The Path of Carrying Luggage null 425
awc0014_d D. Round-Trip Delivery null 424
awc0150_b B. Door Selection null 423
awc0017_d D. Team Building null 421
awc0022_a A. Battery Level and Charger Arrival null 421
past202303_f F. 集合の問題 null 421
awc0030_a A. Distribution of Sweets null 418
tessoku_book_fo C17. Strange Data Structure? null 418
awc0021_b B. Scholarship Selection null 417
awc0027_a A. Passing Criteria null 417
joisc2008_fraction fraction. 分数 (Fraction) null 415
awc0018_b B. Classroom Assignment null 414
past202107_i I. Nevus null 414
awc0100_h H. City Tour Survey null 413
past23_a A. Thoughtful Shopping null 413
aalc001_j J. Long Binary String null 412
awc0013_e E. Part-Time Job Shift Assignment null 412
past202112_k K. Gas Station null 412
past202206_h H. Two Knapsacks null 411
past202309_d D. 相対評価のスコア null 410
awc0026_a A. Announcement of Winning Numbers null 409
awc0028_a A. Applause for the Successful Candidates null 407
joigsc2022_a A. リレー競技 (Relay) null 407
joisc2014_b B. たのしい家庭菜園 null 405
joisc2016_h H. 回転寿司 null 405
awc0024_a A. Comparing Test Scores null 404
joisc2015_a A. コピー&ペースト 2 null 404
awc0019_d D. Conservation Plan for the Botanical Garden null 403
math_and_algorithm_bv 100. Simulation of Chemicals null 403
awc0018_c C. Bulk Character Conversion null 402
joi2026_yo2_a A. クラス分け (Class Division) null 402
pakencamp_2020_day1_g G. 同意書 null 402
awc0018_d D. Smart Shopper null 401
awc0023_a A. Chef's Break null 401
past202309_f F. 式の評価 null 401
joi2010ho_b B. お菓子の分割 null 400
ndpc2026_i I. Update Positions null 400
past202203_h H. Connected Components null 400
past202303_g G. 隣り合うマス null 400
awc0026_b B. Distribution of Jewels null 399
awc0026_c C. Field Trip Snacks null 399
awc0014_c C. Catch the Last Train! null 398
awc0022_b B. Target Score for the Test null 397
awc0027_b B. Election of the Class President null 397
codequeen2025_final_b C. カップリング選抜 null 397
joig2025_a A. カードゲーム 4 (Card Game 4) null 396
nadafes2022_day1_b B. Exist Multiples null 395
masters_qual_a A. Smoothing by Swaps null 394
genocon2021_b B. Practice 2 null 393
awc0014_e E. Flowerbed Watering Management null 392
joig2024_c C. 座席 2 (Seats 2) null 392
past202203_k K. Planning null 392
past202303_e E. 図形のシャッフル null 392
awc0025_c C. Air Conditioning Installation in Classrooms null 390
tenka1_2014_final_d D. 高橋君 null 390
awc0022_c C. Road Pothole Survey null 389
tkppc6_1_a A. 技術室奥プログラミングコンテストの未来 null 389
pakencamp_2020_day1_d D. 立方体を壊せ！ null 388
awc0150_c C. Parking Lot Guidance null 386
joi2027_yo1a_a A. ノート (Notebook) null 386
past202209_e E. Hitting Stick Game null 386
awc0025_b B. Warehouse Inspection Robot null 385
awc0027_c C. Building a Wireless Network null 385
past202212_g G. Range Sum null 384
awc0015_e E. Count the Types of Flowers null 383
joi2023ho_b B. 宣伝 2 (Advertisement 2) null 383
awc0021_c C. Bargain Shopping Mall Tour null 381
awc0024_b B. Spread of Rumors null 380
awc0029_a A. Calculating Part-Time Job Pay null 379
awc0024_d D. Highlighting with a Fluorescent Pen null 378
monamieHB2021_a A. Crab or Shrimp null 378
pakencamp_2022_day1_b B. Power Strip null 378
joi2024ho_b B. 建設事業 2 (Construction Project 2) null 377
joig2024_d D. たくさんの数字 (Many Digits) null 377
awc0020_d D. Wi-Fi Spot Connection null 376
math_and_algorithm_bu 098. Polygon and Point null 376
awc0023_b B. Bus Tour null 375
awc0030_c C. Traffic Jam Report null 373
awc0023_c C. Factory Tour null 372
math_and_algorithm_aw 057. Domino Tiling null 372
past202306_c C. 円の描画 null 372
tkppc6_1_b B. カラフルパ研 null 372
awc0028_b B. Harvest Interval in the Orchard null 370
awc0028_c C. Make-Up Exam null 370
awc0033_a A. Grading the Answer Sheet null 370
codequeen2024_final_c F. Attraction on Rainy Day null 370
joi2025ho_a A. 色塗り (Grid Coloring) null 370
awc0029_c C. Formation of the Strongest Pair null 369
joisc2014_a A. バス通学 null 369
awc0037_a A. The Highest Peak of the Mountain Range null 368
joi2011ho4 D. 歩くサンタクロース (Walking Santa) null 367
fps_24_l L. 順列 2 null 365
past202303_d D. シューティング null 365
awc0030_b B. Shopping List null 364
awc0024_c C. Unique Seats null 363
maximum_cup_2023_a A. 倍数ペア null 362
awc0017_e E. Optimization of Delivery Routes null 361
past202303_h H. 3 枚階段 null 361
joi2027_yo1a_b B. 最小除外値 (Mex) null 359
past18_a A. 粗大ゴミ null 359
past202209_g G. Wildcards null 358
tupc2023_a A. Namboku / Tozai Line null 356
cf16_exhibition_final_e E. Water Distribution null 355
awc0029_b B. Warehouse Inventory Management null 354
past202209_f F. Pharmacist null 353
awc0011_e E. Choosing Treasure Chests null 352
past202212_h H. Digit Diff Sum null 351
past202306_e E. 合計得点 null 350
tkppc6_2_a A. >_< null 349
joisc2011_deciphering deciphering. 解読 (Deciphering) null 348
awc0033_b B. Plant Temperature Management null 347
awc0034_a A. Reception Processing at the Service Window null 347
fps_24_k K. 順列 null 347
past202212_i I. Order of Height null 346
aalc001_k K. Multiset null 345
awc0150_e E. Cherry Blossom Viewing Budget Check null 345
toyota2023spring_final_b B. Best Strategy null 345
awc0026_d D. Repainted Wall null 343
awc0029_d D. Network Installation null 342
joi2025ho_b B. 勇者ビ太郎 2 (Bitaro the Brave 2) null 342
awc0031_b B. Outstanding Score null 341
awc0035_a A. Warehouse Inventory Management null 341
awc0038_a A. Mountain View null 341
past202212_f F. Average Ranking null 341
pakencamp_2022_day1_c C. Let's Make a Palindrome null 340
tupc2022_b B. Snowy Aobayama null 340
game_a A. Nim null 339
tenka1_2012_final_a A. ぶんたん null 339
awc0034_b B. From Station to Station null 338
awc0032_a A. Closeness of Fireworks null 337
past202203_j J. Expected Range null 337
tessoku_book_fn C16. Flights null 336
awc0018_e E. Peak Collection null 335
joisc2013_mascots 2. マスコットの片付け (Mascots) null 335
awc0028_d D. Course Enrollment Order null 334
past202203_i I. Symmetric Transformation null 334
awc0060_a A. Test Score Difference null 332
awc0100_i I. Circle Pass Game null 332
awc0031_a A. Cooking Contest and Ingredients null 331
awc0037_b B. Available Time Slots for Meeting Rooms null 330
awc0039_a A. Password Verification null 330
past202306_g G. N-SAT null 330
tessoku_book_fq C19. Gasoline Optimization Problem null 329
toyota2023spring_final_a A. Area Sum null 329
toyota2023summer_final_a A. Transit Warehouse null 329
fps_24_m M. 連結グラフ null 328
awc0075_a A. Zigzag of Mountain Range null 327
awc0075_b B. Fruit Harvest null 327
joisc2015_e E. ビルの飾りつけ 3 null 327
awc0150_f F. Circle of Friends null 326
joi2015yo_f F. 財宝 (Treasures) null 326
joisc2013_spy 3. スパイ (Spy) null 326
joisc2016_i I. 電報 null 326
masters2025_qual_a A. Ore Rolling (A) null 326
awc0038_b B. Souvenir Selection null 325
pakencamp_2020_day1_j J. Output-only null 325
awc0021_d D. Checkpoint Rally null 324
joi2018ho_d D. 定期券 (Commuter Pass) null 324
awc0036_a A. Library Loan Management null 323