| P7407 | P7407 [JOI 2021 Final] 机器人 / Robot |
| P7410 | P7410 [USACO21FEB] Just Green Enough S |
| P7414 | P7414 [USACO21FEB] Modern Art 3 G |
| P7416 | P7416 [USACO21FEB] No Time to Dry P |
| P7417 | P7417 [USACO21FEB] Minimizing Edges P |
| P7419 | P7419 「PMOI-2」参天大树 |
| P7423 | P7423 「PMOI-2」简单构造题 |
| P7424 | P7424 [THUPC 2017] 天天爱射击 |
| P7428 | P7428 [THUPC 2017] 母亲节的礼物 |
| P7431 | P7431 [THUPC 2017] 小 L 的计算题 |
| P7432 | P7432 [THUPC 2017] 钦妹的玩具商店 |
| P7435 | P7435 简单的排列计数 |
| P7438 | P7438 更简单的排列计数 |
| P7439 | P7439 「KrOI2021」Feux Follets 弱化版 |
| P7440 | P7440 「KrOI2021」Feux Follets |
| P7443 | P7443 「EZEC-7」加边 |
| P7444 | P7444 「EZEC-7」猜排列 |
| P7446 | P7446 [Ynoi2007] rfplca |
| P7447 | P7447 [Ynoi2007] rgxsxrs |
| P7451 | P7451 [THUSC 2017] 杜老师 |
| P7452 | P7452 [THUSC 2017] 换桌 |
| P7453 | P7453 [THUSC 2017] 大魔法师 |
| P7468 | P7468 [NOI Online 2021 提高组] 愤怒的小 N |
| P7469 | P7469 [NOI Online 2021 提高组] 积木小赛 |
| P7470 | P7470 [NOI Online 2021 提高组] 岛屿探险 |
| P7473 | P7473 [NOI Online 2021 入门组] 重力球 |
| P7483 | P7483 50 年后的我们 |
| P7487 | P7487 「Stoi2031」兰亭序 |
| P7492 | P7492 [传智杯 #3 决赛] 序列 |
| P7493 | P7493 [传智杯 #3 决赛] 旅人1969 |
| P7502 | P7502 「HMOI R1」不知道是啥的垃圾题 |
| P7510 | P7510 铃解缀 |
| P7513 | P7513 「Stoi2031」兰亭序 加强版 |
| P7514 | P7514 [省选联考 2021 A/B 卷] 卡牌游戏 |
| P7515 | P7515 [省选联考 2021 A 卷] 矩阵游戏 |
| P7516 | P7516 [省选联考 2021 A/B 卷] 图函数 |
| P7518 | P7518 [省选联考 2021 A/B 卷] 宝石 |
| P7519 | P7519 [省选联考 2021 A/B 卷] 滚榜 |
| P7520 | P7520 [省选联考 2021 A 卷] 支配 |
| P7521 | P7521 [省选联考 2021 B 卷] 取模 |
| P7527 | P7527 [USACO21OPEN] United Cows of Farmer John G |
| P7528 | P7528 [USACO21OPEN] Portals G |
| P7532 | P7532 [USACO21OPEN] Balanced Subsets P |
| P7535 | P7535 [COCI 2016/2017 #4] Kas |
| P7543 | P7543 [CEOI 2011] Treasure Hunt |
| P7554 | P7554 [COCI 2020/2021 #6] Index |
| P7560 | P7560 [JOISC 2021] フードコート (Day1) |
| P7565 | P7565 [JOISC 2021] ビーバーの会合 2 (Day3) |
| P7568 | P7568 「MCOI-05」追杀 |
| P7571 | P7571 「MCOI-05」幂积 |
| P7572 | P7572 20 |
| P7587 | P7587 [COCI 2012/2013 #1] MARS |
| P7589 | P7589 黑白棋(2021 CoE-II B) |
| P7595 | P7595 「EZEC-8」猜树 |
| P7596 | P7596 「EZEC-8」游戏蛇 |
| P7598 | P7598 [APIO2021] 六边形领域 |
| P7600 | P7600 [APIO2021] 封闭道路 |
| P7602 | P7602 [THUPC 2021] 视频倍增期 |
| P7603 | P7603 [THUPC 2021] 鬼街 |
| P7606 | P7606 [THUPC 2021] 混乱邪恶 |
| P7609 | P7609 [THUPC 2021] 游戏 |
| P7610 | P7610 [THUPC 2021] 群星连结 |
| P7611 | P7611 [THUPC 2021] 幸运位置 |
| P7619 | P7619 [COCI 2011/2012 #2] RASPORED |
| P7620 | P7620 CF1431J Zero-XOR Array |
| P7624 | P7624 [AHOI2021初中组] 地铁 |
| P7642 | P7642 [BalticOI 2006] JUMP THE BOARD! (Day 2) |
| P7646 | P7646 [COCI 2012/2013 #5] HIPERCIJEVI |
| P7668 | P7668 [JOI 2018 Final] 团子制作 / Dango Maker |
| P7669 | P7669 [JOI 2018 Final] 月票购买 / Commuter Pass |
| P7670 | P7670 [JOI 2018 Final] 毒蛇越狱 / Snake Escaping |
| P7676 | P7676 [COCI 2013/2014 #5] TROKUTI |
| P7685 | P7685 [CEOI 2005] Mobile Service |
| P7689 | P7689 [CEOI 2002] Bugs Integrated,Inc. |
| P7690 | P7690 [CEOI 2002] A decorative fence |
| P7706 | P7706 「Wdsr-2.7」文文的摄影布置 |
| P7712 | P7712 [Ynoi2077] hlcpq |
| P7717 | P7717 「EZEC-10」序列 |
| P7720 | P7720 「EZEC-10」「Byakkai OI 2021」Estahv |
| P7722 | P7722 [Ynoi2007] tmpq |
| P7725 | P7725 珍珠帝王蟹(Crab King) |
| P7726 | P7726 天体探测仪(Astral Detector) |
| P7727 | P7727 风暴之眼(Eye of the Storm) |
| P7728 | P7728 旧神归来(Return of Them) |
| P7729 | P7729 交通运输(Wormhole Transportation) |
| P7735 | P7735 [NOI2021] 轻重边 |
| P7736 | P7736 [NOI2021] 路径交点 |
| P7737 | P7737 [NOI2021] 庆典 |
| P7738 | P7738 [NOI2021] 量子通信 |
| P7739 | P7739 [NOI2021] 密码箱 |
| P7740 | P7740 [NOI2021] 机器人游戏 |
| P7746 | P7746 [COCI 2011/2012 #3] PLAĆE |
| P7752 | P7752 [COCI 2013/2014 #2] PALETA |
| P7758 | P7758 [COCI 2012/2013 #3] HERKABE |
| P7771 | P7771 【模板】欧拉路径 |
| P7776 | P7776 【模板】特征多项式 |
| P7804 | P7804 [JOI Open 2021] 决算报告 / Financial Report |
| P7822 | P7822 「RdOI R3」学习算法 |
| P7830 | P7830 [CCO 2021] Through Another Maze Darkly |
| P7831 | P7831 [CCO 2021] Travelling Merchant |