Wanted

5652:problems_untagged

ID Name Difficulty Solver
ttpc2019_k K. サーキュレーション null 22
ttpc2019_n N. 瓜二つ null 22
ttpc2024_2_o O. Marunomi for All Prefixes null 22
utpc2020_i I. UTPC Kingdom null 22
utpc2025_g G. Greatest Bracket Sequence null 22
xmascontest2015_f F. FILO Sort null 22
1202Contest_k K. ± Beam null 21
aalc001_v V. Connectivity 2 null 21
agc075_e E. Many Optimization Problems null 21
icpc2012autumn_k J. Ancient Scrolls null 21
joigsp2023_c C. 議会 (Council) null 21
kupc2013_h H. N and K null 21
nupc2024_h H. LCS order null 21
pakencamp_2020_day2_g G. 旅人計画問題 null 21
pakencamp_2024_day3_1_n N. Increasing Path null 21
relay2018_i I. 一円を笑う者は一円に泣く null 21
stpc2025_2_l L. Avoid Multiple null 21
tenka1_2016_final_f F. Blind Purchase null 21
ttpc2023_p P. Bridge Elimination null 21
ttpc2024_1_j J. Grid Construction null 21
xmascon20_g G. Graph Products null 21
aalc001_u U. Second null 20
aalc001_w W. Adjacent Add null 20
agc067_e E. Biconnected Graph null 20
awc0163_e E. Traveling to the Space Station null 20
bogosortcontest_div2_j J. RTA Strategy null 20
codefestival_2015_ex_a A. 高橋王国と青木王国 null 20
dwango2017qual_e E. 偶奇飴分け null 20
ijpc_honest C. しょうじききつね と うそつきにんげん (Honest Fox and Dishonest Man) null 20
joigsp2023_g G. ビ太郎の旅 (Bitaro's Travel) null 20
joisp2025_f F. 宇宙怪盗 (Space Thief) null 20
kupc2021_j J. Delete Balls null 20
maximum_cup_2023_c C. 黒板 null 20
pakencamp_2021_day3_e E. お菓子 null 20
pakencamp_2022_day3_h H. Exactly K Square Numbers null 20
pakencamp_2024_day1_o O. Triangle null 20
pakencamp_2024_day3_2_g G. Bracket Sequence null 20
pakencamp_2025_day1_m M. Minimum Divisible Sequence null 20
tenka1_2013_final_e E. 天下一折れ線遊戯 null 20
tkppc2015_g G. おおきなかずを作った (I made a huge number) null 20
agc073_d D. Four Jewels null 19
agc074_e E. Delete AB null 19
ajo2025_final_b B. Interpolation null 19
arc210_f F. ± ab null 19
bogosortcontest_div1_d D. Go Robots null 19
bogosortcontest_div1_g G. Source to Sink null 19
dwango2016final_c C. 電波塔 null 19
icpc2013spring_d D. Medical Inspection null 19
icpc2013summer_day3_i L. 京都旅行 null 19
icpc2014summer_day4_h H. トーナメント null 19
icpc2015spring_c C. Casino null 19
icpc2015summer_day3_c C. Counting Amusing Numbers null 19
ijpc_maze B. にひきのきつね と くらがりのめいろ (Two Foxes and the Dark Maze) null 19
jag2018summer_day2_g G. Construct One Point null 19
joi2024ho_e E. 道路網の整備 2 (Road Service 2) null 19
jsc2024_final_d D. Max of Sum of Prefix Min null 19
jsc2024_final_e E. Tree and Back Edges null 19
nadafes2022_day1_m M. Random Drawing null 19
npcapc_2024_e E. Aim High null 19
nupc2024_f F. Labeled Tree Distance null 19
oupc2023_day1_f F. Remainder of Max Problem null 19
oupc2023_day1_n N. Bench null 19
pakencamp_2024_day3_2_d D. Equation null 19
pakencamp_2025_day1_p P. Champion null 19
utpc2020_c C. Range Flip null 19
xmascon21_d D. Determinant? null 19
agc070_e E. Remove 2K+1 Edges null 18
agc071_e E. Procrastinate Counter null 18
awc0150_n N. Creating a Periodic String null 18
game_o O. Moving Pieces on Grid null 18
icpc2015summer_day3_a A. Analyzing Bit (Yet Special) Strings null 18
joi2023ho_e E. 現代的な機械 (Modern Machine) null 18
joi2026_semifinal_f F. 奇妙な機械 (Strange Machine) null 18
joi2026final_k K. JOI 国のお祭り事情 3 (Festivals in JOI Kingdom 3) null 18
joiopen2024_a A. 試験 2 (Examination 2) null 18
joisp2023_k K. 警備員 (Security Guard) null 18
kupc2024_k K. Kyoto the Capital null 18
pakencamp_2022_day1_o O. Paken Land null 18
pakencamp_2025_day3_f F. Increase Decrease null 18
past24_m M. Insertion and Deletion null 18
tkppc2015_j J. 仕事をしよう! (Working!) null 18
tkppc4_2_j J. ドライブ旅行 null 18
tupc2023_h H. Count Pseudo-Palindromes null 18
utpc2024_h H. Hidden Sequence Rotation null 18
xmascon25_d D. D-infinite null 18
xmascon25_e E. Evaluation null 18
yahoo_procon2018_final_e E. ネットワークの構築 null 18
1202Contest_b B. vs. DEGwer null 17
bogosortcontest_div2_k K. Consecutive Pairs null 17
icpc2013autumn_j J. Magical Switches null 17
icpc2013spring_g G. Revenge of Minimum Cost Flow null 17
icpc2013summer_day4_g G. Spotlight Movement null 17
icpc2015autumn_g G. Cube Dividing null 17
icpc2015summer_day4_c C. Kuru Kuru Sushi null 17
ijpc_submission C. 提出 (Submission) null 17
jag2016secretspring_g G. リングと紐 null 17
joi2026final_g G. 三角形降雨 (Triangular Rainfall) null 17
joisc2018_b B. 柵 (Fences) null 17
joisc2022_g G. 壊れた機器 2 (Broken Device 2) null 17
jsc2023_final_f F. Adjacent Binomial Coefficients null 17
kupc2017_i I. Activate It!! null 17
kupc2018_j J. ニム? null 17
kupc2024_o O. Ordinary Blossom Algorithm null 17
maximum_2013_i I. 実績: ヘビマスター null 17
nadafes2022_day2_j J. Sum Equality null 17
ndpc2026_t T. Independent Set null 17
pakencamp_2023_day3_e E. MEX null 17
past24_o O. Longest Increasing Subsequence null 17
tkppc4_2_k K. 時をかけるTMJN null 17
ttpc2024_1_i I. Near Pair null 17
tupc2023_b B. 012 Grid null 17
utpc2014_l L. セミ時雨ハッシュ null 17
utpc2021_h H. Quantum Multiplication null 17
xmascon22_e E. Educational Statement null 17
agc075_c C. Minimization of Divide null 16
birthday0410_e E. 排他的☆論理和っ!! null 16
gw2015_j J. ピラミッド - 2D編 null 16
icpc2014summer_day2_f F. Directions null 16
icpc2015summer_day4_h H. Laser Cutter null 16
ijpc_variance D. 分散 (Variance) null 16
iroha2019_day4_j J. もう、諦めない null 16
joig2026final_b B. 運動会 (Sports Festival) null 16
joiopen2021_a A. 交配 (Crossing) null 16
jsc2023_final_g G. Fusion null 16
kupc2013_j J. タイル置き null 16
npcapc_2024_d D. Two Box null 16
summerfes2018_f F. 冪冪ゲーム (Powerful Fever!) null 16
ttpc2022_j J. Jewel Game null 16
ttpc2024_1_m M. Cartesian Trees null 16
utpc2012_11 K. ラッピング null 16
utpc2013_12 L. 1円ロード null 16
utpc2022_d D. Balance null 16
utpc2025_d D. Divisible by 11 null 16
awtf2025_d D. BFS-ordered Tree null 15
awtf2025_e E. Functional Graph null 15
code_festival_china_g G. Ammunition Dumps null 15
codefestival_2015_ex_b B. TRAX null 15
icpc2013summer_day2_e E. Pattern Language null 15
icpc2015summer_day2_j J. 連結 null 15
ijpc_animals A. むこのどうぶつたち と しんりんのはかい (Innocent Animals and Destruction of Forests) null 15
kupc2020_i I. Coloring Paths null 15
pakencamp_2024_day3_1_a A. Many Many Shiomusubi null 15
pakencamp_2025_day3_e E. Find ''rururutata'' null 15
s8pc_6_f F. Random Shuffles null 15
tkppc4_1_o O. Height Changer null 15
tkppc6_2_l L. Go To null 15
ttpc2023_j J. Set Construction null 15
tupc2022_m M. Fractal Tree Isomorphism null 15
tupc2022_n N. Matrix Game null 15
utpc2011_6 F. 全域木 null 15
utpc2013_11 K. 辞書順最小頂点被覆 null 15
utpc2021_j J. Do you like Interval Scheduling Problems? null 15
utpc2025_c C. Convex Crusher null 15
waipc_qual_g G. Sum of Max of Sum of K Segments null 15
xmascon16_h H. High-powered Illuminations null 15
autumn_fest_10 J. Ninja of Train null 14
code_festival_2015_okinawa_g G. Gorgeous Vases null 14
icpc2013summer_day4_e E. Optimal alpha beta pruning null 14
icpc2014summer_day2_h H. Distance Sum null 14
icpc2015summer_day2_i I. ツインリバース null 14
joiopen2023_c C. 庭園 (Garden) null 14
joiopen2025_b B. くじ引き (Lottery) null 14
nyc2015_13 M. お絵かき null 14
otemae2019_i I. ピーターランドの道路整備 (Road Development in Peterland) null 14
pakencamp_2022_day2_g G. Worst Town null 14
pakencamp_2024_day3_1_e E. Teamwork null 14
scpc2026_div2_h H. CUBRID HA Load Balance null 14
stpc2025_1_h H. Akari Counting null 14
tupc2023_d D. Shift Puzzle null 14
tupc2024_d D. Swap Counter null 14
tupc2024_n N. Palindromic Path null 14
utpc2025_h H. Heyawake-like Problem null 14
xmascon16_f F. Fifty-Fifty? null 14
xmascon17_i I. SAT Puzzle null 14
aalc001_x X. Unevenness null 13
icpc2013summer_warmingUp_i I. Topology null 13
icpc2014summer_day2_i I. Substring Pairs null 13
icpc2015spring_j J. New Game AI null 13
icpc2015summer_day3_f F. Figures Of Simple Sense null 13
joig2026final_c C. ケーキの飾りつけ (Cake 4) null 13
joigsp2025_c C. 救急車 (Ambulance) null 13
joigsp2025_k K. ういろう (Uiro) null 13
joiopen2023_a A. 古代の機械 2 (Ancient Machine 2) null 13
joisp2024_e E. 三色灯 (Tricolor Lights) null 13
k4pc_g G. 42 null 13
npcapc_2024_f F. Train Seats null 13
pakencamp_2024_day3_1_f F. RGB Triangle null 13
pakencamp_2025_day2_f F. Symmetry Point null 13
pakencamp_2025_day3_l L. Unique Sheet null 13
past24_n N. Sum of Number of Connected Component null 13
scpc2026_div3_i I. CUBRID HA Load Balance null 13
stpc2025_1_i I. Subgrid Connected Components null 13
stpc2025_1_m M. Many Approaches null 13
tenka1_2015_final_c C. 天下一不正 null 13
utpc2011_9 I. ビット演算 null 13
utpc2021_n N. Tree Swapping null 13
utpc2025_b B. Binary Tree Counting null 13
xmascon17_h H. Ango null 13
xmascon21_h H. Homework from Zhejiang null 13
xmascon23_c C. Clamp Clamp Clamp null 13
KeioPC2025_g G. Treasure Collection null 12
code_festival_2015_okinawa_i I. Implementation Addict null 12
icpc2013summer_day4_h H. Gravity Point null 12
icpc2013summer_warmingUp_e E. Magic Doors null 12
joigsp2024_g G. 島巡り (Island Hopping) null 12
joiopen2021_b B. 決算報告 (Financial Report) null 12
joisc2022_e E. 飛行機旅行 (Flights) null 12
joisp2025_h H. 会議 (Conference) null 12
jsc2024_final_c C. Subsequence Reversal null 12
kupc2015_i I. ハウスシャッフル null 12
kupc2016_j J. Coloring null 12
nadafes2022_day2_o O. Simple Inversion Problem null 12
nupc2024_q Q. Stablest Permutation null 12
pakencamp_2024_day3_1_d D. Convex null 12
pakencamp_2025_day3_h H. OR Preference null 12
scpc2026_div1_b B. Sushisushi Ruins null 12
soundhound2018_e E. カッコ列 null 12
stpc2025_2_j J. KinGin's Summit null 12
tenka1_2012_11 C. 席替え null 12
tkppc2016_h H. デバッグ(Debug) null 12
tkppc6_1_o O. ペンギンくんの仕事計画 null 12
ttpc2022_o O. Parallel Processing null 12
ttpc2024_1_f F. Origami Warp null 12
tupc2022_j J. AMidA null 12
tupc2024_c C. 2-Power Rush null 12
utpc2011_10 J. 乱択平衡分二分探索木 null 12
utpc2020_k K. Special Chopsticks null 12
utpc2021_k K. Divide Polynomials by #Subset Sums null 12
utpc2022_e E. Parallel Swapping null 12
waipc_qual_c C. Odd Even Counters null 12
xmascon18_e E. Exclusive☆OR null 12
xmascon23_g G. Group Structure null 12
xmascon24_d D. Divisibility Power null 12
bogosortcontest_div1_c C. Moving Silver null 11
bogosortcontest_div1_h H. Please Insert Coin null 11
icpc2013summer_warmingUp_g G. Moving Points null 11
icpc2014spring_i I. Tokyo Olympics Center null 11
icpc2014summer_day2_e E. Cellular Automaton null 11
icpc2014summer_day4_i I. 首都 null 11
joisc2021_g F. 買い物 (Shopping) null 11
npcapc_2024_g G. Many Common Segment Problems null 11
pakencamp_2021_day3_f F. ワープ null 11
pakencamp_2023_day1_o O. Longest Bracket Subsequence null 11
pakencamp_2024_day2_g G. Greedy Robot null 11
pakencamp_2025_day1_o O. Red and Blue Filling null 11
s8pc_4_f F. Find the Route! null 11
s8pc_4_g G. Get the Salary of Atcoder null 11
scpc2026_div1_d D. Mobilint Tensor Scheduling (ARIES) null 11
tenka1_2015_final_g G. 天下一ゲーム null 11
tkppc6_2_j J. Common Divisors Shortest Path Queries null 11
ttpc2024_1_k K. Sum is One null 11
xmascon24_g G. Game Pack null 11
ajo2024_final_d D. Shooting the Stars null 10
birthday0410_d D. 先生と遺書 null 10
bitflyer2018_final_g G. Following Permutations null 10
bitflyer2018_final_h H. 三角形と格子点 null 10
bogosortcontest_div2_f F. Test Chamber null 10
code_festival_2015_okinawa_j J. Jungle null 10
code_festival_china_j J. XORAND null 10
game_r R. Delete and Divide null 10
gw2015_g G. ピラミッド - 球編 null 10
icpc2012autumn_g G. Ancient Commemorative Monolith null 10
icpc2013spring_c C. Iyasugigappa null 10
icpc2013summer_day2_c C. Apples null 10
joig2026final_g G. かかし 2 (Scarecrows 2) null 10
joigsp2024_h H. 卓球 (Table Tennis) null 10
joigsp2025_g G. マルチコミュニケーション (Multi Communication) null 10
jsc2026_final_f F. Four Shelters null 10
nupc2024_l L. Move It 2 null 10
oupc2023_day1_p P. Score for Cutting Graph null 10
pakencamp_2023_day2_e E. Is Either 1? null 10
scpc2026_div2_b B. SCSC Card Game null 10
scpc2026_div2_l L. ChannelTalk Workflow null 10
tenka1_2014_final_e E. 田端でバタバタ null 10
tkppc2015_i I. 重要証拠 (Important evidence) null 10
tricky_4 D. 高橋くんレーシング null 10
ttpc2022_n N. Expanded Hull null 10
ttpc2023_n N. Bracket Sequestion null 10
ttpc2024_2_k K. 01 Abs Sum null 10
tupc2024_g G. Convex Hull of Intersections null 10
utpc2025_m M. Max Conference null 10
1202Contest_g G. Net of Net null 9
KeioPC2025_f F. Dislike 321 null 9
apio_mansion C. Mansion null 9
autumn_fest_11 K. Batch Style Mastermind null 9
awtf2025heuristic_b A-Final. Group Commands and Wall Planning (System Test) null 9
bogosortcontest_div1_l L. Consecutive Pairs null 9
game_v V. Delete Game null 9
icpc2013summer_warmingUp_h H. Shuffling Machine null 9
icpc2015summer_day4_e E. Enclose Points null 9
ijpc2015_f C. ガソリンスタンド null 9
joig2026final_l L. 電圧 2 (Voltage 2) null 9
joigsp2023_h H. 最後の戦い (The Last Battle) null 9
joiopen2025_c C. テレパシー (Telepathy) null 9
kupc2020_k K. Deleting Edges null 9
nadafes2022_day1_n N. Range Flip null 9
nadafes2022_day2_p P. Turn it Over null 9
nyc2015_11 K. チーム戦 null 9
pakencamp_2023_day2_h H. Two PCities null 9
pakencamp_2023_day3_a A. ABC null 9