- 別解法
- 同じ解法でも異なるアプローチでそこに至った場合
- 公式解説が存在しない問題
などについて、書いていっています。
公開日 | 出題場所 | 問題 | 関連分野 |
2024/10/08 | 01 on Tree / 京都観光 / Train Seats | ||
2024/09/30 | joisc2017 | E – 壊れた機器 (Broken Device) | communication |
2024/09/29 | KUPC2019 | I – encode/decode 2019 | run twice |
2024/09/24 | jag2015-summer-day3 | A – Analyzing Bit (Yet Special) Strings | |
2024/09/23 | code-festival-2015 | B – TRAX | |
2024/09/20 | yukicoder | No. 2876 Infection | |
2024/09/20 | yukicoder | No.2810 Have Another Go (Hard) | |
2024/09/17 | jag2015autumn | G – Cube Dividing | |
2024/09/13 | xmascon20 | E – Eternal Dice | |
2024/08/21 | ijpc2015 | E – Верный | |
2024/08/19 | nadafes2022 | P – Turn it Over | |
2024/08/16 | joisc2024 | F – とてもたのしいたのしい家庭菜園 | |
2024/08/12 | joisc2016 | B – 神経衰弱 | |
2024/08/12 | joiopen2012 | C – Mansion | |
2024/08/12 | joiopen2012 | B – Jumps | |
2024/08/12 | joiopen2012 | A – Code | |
2024/07/21 | abc363 | G – Dynamic Scheduling | ネットワークフロー |
2023/12/08 | yukicoder | No.2579 Dice Sum Infinity (制約変更版) | |
2023/11/30 | yukicoder | No.1787 Use Dynamic Tree | |
2023/11/28 | yukicoder | No. 1762 タコうし木 | |
2023/11/23 | yukicoder | No.1574 Swap and Repaint | |
2023/11/20 | yukicoder | No. 1888 Odd Insertion | |
2023/11/17 | yukicoder | No.1840 Random Painting | |
2023/11/11 | yukicoder | No.596 郵便配達 | |
2023/10/14 | yukicoder | No.2507 Yet Another Subgraph Counting | 集合べき級数 |
2023/10/14 | yukicoder | No.2504 NOT Path Painting | |
2023/01/02 | LibraryChecker | Min of Mod of Linear | |
2022/12/19 | yukicoder | No.2166 Paint and Fill | 多項式 |
2022/10/29 | yukicoder | No.2114 01 Matching | slope trick 凸共役 |
2022/10/15 | yukicoder | No.1216 灯籠流し/Lanterns | 木クエリ |
2022/10/15 | yukicoder | No.1763 Many Balls | 指数型母関数 |
2022/10/10 | yukicoder | No.1379 Postponed | |
2022/09/19 | yukicoder | No.1353 Limited Sequence | |
2022/09/14 | yukicoder | No.1292 パタパタ三角形 | |
2022/05/23 | tenka1-2013-final | E – 天下一折れ線遊戯 | |
2022/05/11 | s8pc-4 | G – Get the Salary of Atcoder | |
2022/05/11 | yahoo-procon2017-qual | E – 遊園地 | |
2022/05/05 | yukicoder | No.1594 Three Classes | |
2022/05/01 | yukicoder | No.925 紲星 Extra | |
2021/06/26 | gigacode-2019 | G – ギガ国の道路事情 | |
2021/06/23 | jag2015summer-day2 | J – 連結 | |
2021/06/21 | ijpc2012-1 | A – むこのどうぶつたちとしんりんはかい | |
2021/06/20 | abc206 | E – Divide Both | |
2021/06/12 | pakencamp-2018-day2 | G – グランド・グラフ | |
2021/06/12 | code-festival-2014-china | J – XORAND | |
2021/06/12 | code-festival-2014-china | I – Obstruction | |
2021/06/12 | code-festival-2014-china | H – Dungeon | |
2021/06/12 | code-festival-2014-china | G – Ammunition Dumps | |
2021/06/12 | code-festival-2014-china | F – Yakiniku | |
2021/06/12 | code-festival-2014-china | E – Game | |
2021/06/12 | code-festival-2014-china | D – Maze | |
2021/06/11 | pakencamp-2020-day2 | H – 旅立ちの日に | Heuristic |
2021/06/11 | maximum-cup-2013 | G – King’s Ring Tower | |
2021/06/09 | tkppc | J – 仕事をしよう! | 木クエリ |
2021/06/06 | joisc2018 | J – 飴 | 凸関数 |
2021/06/05 | utpc2014 | L – セミ時雨ハッシュ | |
2021/05/31 | wupc2nd | H – ダイヤグラム | |
2021/05/31 | wupc2nd | F – 僕は宇宙人 | |
2021/05/31 | k2pc-hard | E – 暗号化 | |
2021/05/31 | k2pc-hard | D – マシュマロ | |
2021/05/30 | k2pc-hard | C – お気に入りの数2 | |
2021/05/30 | k2pc-hard | B – 虫歯 | |
2021/05/30 | hbpc2012 | A – 1→1 | |
2021/05/23 | fuka5 | G – Graph Cut | |
2021/05/23 | fuka5 | F – IRU vs SAKI | |
2021/05/23 | fuka5 | E – すごろく | |
2021/05/23 | fuka5 | D – Bintree | |
2021/05/22 | NYC2015 | M – お絵かき | |
2021/05/22 | autumn_fest | J – Ninja of Train | 行列累乗・線形漸化式 |
2021/05/22 | dwacon2018-final | D – ニワンゴくんとゲーム | |
2021/05/22 | tenka1-2013-qualb | C – 天下一ジグソーパズルふたたび | |
2021/05/21 | jag2017autumn | J – Farm Village | slope trick 凸共役 |
2021/05/21 | yukicoder | No.309 シャイな人たち (1) | |
2021/05/20 | wupc2019 | I – Ramen | クエリ平方分割 |
2021/05/20 | k4pc | G – 42 | 凸関数 |
2021/05/20 | jag2014summer-day4 | H – トーナメント | |
2021/05/09 | xmascon18 | I – Interesting Equation | 乱択アルゴリズム |
2021/05/07 | abc107 | D – Median of Medians | 転倒数 |
2021/04/18 | rco-contest-2017-qual | A – Multiple Pieces | Heuristic |
2021/04/15 | rco-contest-2019-final | B – まわしてそろえる | Heuristic |
2021/04/13 | joisc2010 | simroad – シムロード | Heuristic |
2021/04/12 | code-festival-2015-okinawa | H – Happy 2015 | 数え上げ |
2021/04/12 | utpc2011 | L – L 番目の数字 | 木クエリ |
2021/04/12 | ttpc2015 | N – 何かグラフの問題 | 双対問題 |
2021/04/12 | joisc2012 | broadcasting – テレビ放送 | Heuristic |
2021/04/12 | joisc2011 | ufo – UFO の飛行場 | Heuristic |
2021/04/12 | joisc2008 | election – 選挙 | Heuristic |
2021/03/27 | code-festival-2015-exhibition | A – 高橋王国と青木王国 | 最小カット |
2021/03/15 | ArCoder, arc114 | E – Paper Cutting 2 | |
2021/03/15 | AtCoder, arc114 | C – Sequence Scores | |
2021/03/04 | jag2017summer-day3 | K – Permutation Period | クエリ平方分割 |
2021/02/27 | jag2014summer-day4 | D – 夕食 | 式変形 |
2021/02/24 | pakencamp-2018-day3 | H – 整数をつくろう! | Heuristic |
2021/02/23 | dwango2015-honsen | D – コインの取り合い | 式変形 |
2021/02/23 | TTPC2019 | L – 多項式の零点の個数 | 中国剰余定理 |
2021/02/14 | AtCoder, yahoo-procon2018-final | D – LCP(prefix,suffix) | Z アルゴリズム |
2021/02/14 | jag2013summer-warmingup | B – Cans of Toys | 線形漸化式・計算誤差 |
2021/02/13 | jag2015summer-day2 | I – ツインリバース | |
2021/02/12 | joisc2010 | plugs | マッチング |
2020/08/01 | AtCoder, NYC2015 | L – 机のしみ | Gauss 整数環 |
2020/05/19 | yukicoder | No.856 増える演算 | 計算誤差 |
2020/05/19 | yukicoder | No.869 ふたつの距離 | |
2020/05/03 | yukicoder | No.691 E869120 and Constructing Array 5 | |
2020/05/02 | yukicoder | No.1042 愚直大学 | |
2020/04/14 | yukicoder | No.803 Very Limited Xor Subset | |
2020/04/09 | yukicoder | No.42 貯金箱の溜息 | 多項式・形式的べき級数 |
2020/04/08 | yukicoder | No.886 Direct | |
2020/04/08 | yukicoder | No.262 面白くないビットすごろく | |
2020/04/07 | yukicoder | No.161 制限ジャンケン | 最小費用流 |
2020/03/23 | yukicoder | No.918 LISGRID | |
2020/02/13 | yukicoder | No.984 Inversion | |
2020/02/12 | AtCoder, agc013 | E – Placing Squares | 多項式・形式的べき級数 |
2020/01/02 | yukicoder | No.540 格子点と経路 | |
2019/12/19 | AtCoder, arc019 | D – ほんとうのたたかい | 有限体上の射影平面 |
2019/11/23 | AtCoder, agc018 | E – Sightseeing Plan | 二項係数・多項式 |
2019/11/18 | AtCoder, agc001 | E – BBQ Hard | 二項係数・多項式 |
2019/11/10 | AtCoder, arc003 | C – 暗闇帰り道 | |
2019/11/10 | AtCoder, tanka1-2015-qualb | C – 擬二等辺三角形 | 多項式補間 |
2019/11/10 | AtCoder, kupc2019 | K – One or All | 多項式・形式的べき級数 |
2019/10/22 | AtCoder, cf17-final | F – Distribute Numbers | 有限体上の射影平面 |
2019/10/19 | AtCoder, s8pc-3 | G – フィボナッチ数の総和 | 多項式・形式的べき級数 |
2019/10/09 | AtCoder, cf16_exhibition_final | H – AB=C Problem | 線形代数 |
2019/10/04 | AtCoder, jsc2019-qual | E – Card Collector | マトロイド |
2019/08/25 | AtCoder, jsc2019-qual | F – Candy Retribution | 多項式・形式的べき級数 |