| P11831 | P11831 [省选联考 2025] 追忆 |
| P11833 | P11833 [省选联考 2025] 推箱子 |
| P11845 | P11845 [USACO25FEB] Min Max Subarrays P |
| P1185 | P1185 绘制二叉树 |
| P11856 | P11856 [CSP-J 2022 山东] 吟诗 |
| P11860 | P11860 [CCC 2025 Senior] 熔岩路 / Floor is Lava |
| P11882 | P11882 [RMI 2024] 彩虹糖 / Skittlez |
| P11947 | P11947 [KTSC 2025] 可爱区间 / maxsum |
| P11956 | P11956 「ZHQOI R1」树图 |
| P1196 | P1196 [NOI2002] 银河英雄传说 |
| P11961 | P11961 [GESP202503 五级] 原根判断 |
| P1197 | P1197 [JSOI2008] 星球大战 |
| P11974 | P11974 [JOI Open 2020] 发电站 / Power Plant |
| P1198 | P1198 [JSOI2008] 最大数 |
| P12009 | P12009 【MX-X10-T5】[LSOT-4] Masuko or Haru？ |
| P12011 | P12011 【MX-X10-T7】[LSOT-4] 春开，意遥遥。 |
| P12012 | P12012 [Ynoi April Fool's Round 2025] 牢爱 |
| P12013 | P12013 [Ynoi April Fool's Round 2025] 牢夸 |
| P12016 | P12016 [NOISG 2025 Finals] 震踏 |
| P12017 | P12017 [NOISG 2025 Finals] 可达性 |
| P12018 | P12018 [NOISG 2025 Finals] 机器人 |
| P12021 | P12021 面包题 |
| P12029 | P12029 [USACO25OPEN] Election Queries G |
| P12030 | P12030 [USACO25OPEN] OohMoo Milk G |
| P12076 | P12076 [OOI 2025] Cute Subsequences |
| P12136 | P12136 [蓝桥杯 2025 省 B] 生产车间 |
| P12145 | P12145 [蓝桥杯 2025 省 A] 扫地机器人 |
| P12149 | P12149 【MX-X11-T3】「蓬莱人形 Round 1」科学 |
| P12194 | P12194 [NOISG 2025 Prelim] Snacks |
| P12196 | P12196 [NOISG 2025 Prelim] Lasers 2 |
| P12197 | P12197 Hash Killer I |
| P12198 | P12198 Hash Killer II |
| P1220 | P1220 关路灯 |
| P12227 | P12227 「WyOJ Round 1」炽 · 踏浪而歌 |
| P12228 | P12228 「WyOJ Round 1」持 · 山海为肩 |
| P12229 | P12229 「WyOJ Round 1」归 · 星穗垂野 |
| P12236 | P12236 [蓝桥杯 2023 国 Java A] 连续数组 |
| P1224 | P1224 [NOI2013] 向量内积 |
| P12247 | P12247 跳舞机 |
| P1225 | P1225 黑白棋游戏 |
| P1231 | P1231 教辅的组成 |
| P1232 | P1232 [NOI2013] 树的计数 |
| P1236 | P1236 算24点 |
| P12364 | P12364 [蓝桥杯 2022 省 Python B] 寻找整数 |
| P12371 | P12371 【模板】最大团/最大独立集 |
| P12375 | P12375 「LAOI-12」MST? |
| P1239 | P1239 计数器 |
| P1240 | P1240 诸侯安置 |
| P1242 | P1242 新汉诺塔 |
| P12423 | P12423 【MX-X12-T6】「ALFR Round 5」Coloring Nodes |
| P12444 | P12444 [COTS 2025] 发好奖 / Hijerarhija |
| P1245 | P1245 电话号码 |
| P12459 | P12459 [JOI2025 预选赛 R2] 亲密的厨师 / Intimate Chef |
| P12463 | P12463 [Ynoi Easy Round 2018] 星野瑠美衣 |
| P1247 | P1247 取火柴游戏 |
| P1248 | P1248 加工生产调度 |
| P12480 | P12480 [集训队互测 2024] Classical Counting Problem |
| P12491 | P12491 [集训队互测 2024] 串联 |
| P12501 | P12501 「ROI 2025 Day1」奥林匹克楼梯 |
| P12502 | P12502 「ROI 2025 Day1」天狼星的换班 |
| P12505 | P12505 「ROI 2025 Day2」充实的假期 |
| P1251 | P1251 餐巾计划问题 |
| P1253 | P1253 扶苏的问题 |
| P12543 | P12543 [APIO2025] 转杆 |
| P12547 | P12547 [UOI 2025] Simple Subsequence |
| P12554 | P12554 [UOI 2024] Queries for Subarray Beauty |
| P12558 | P12558 [UOI 2024] Heroes and Monsters |
| P12559 | P12559 [UOI 2024] Zeroing the segment |
| P12572 | P12572 [UOI 2023] An Array and Addition Again |
| P12573 | P12573 [UOI 2023] An Array and XOR |
| P1260 | P1260 工程规划 |
| P1262 | P1262 间谍网络 |
| P12624 | P12624 [ICPC 2025 NAC] Humans vs AI |
| P1263 | P1263 [CEOI 2002] Royal guards |
| P12649 | P12649 [KOI 2024 Round 2] 收集彩球 |
| P1265 | P1265 公路修建 |
| P12652 | P12652 [KOI 2024 Round 2] 拔树游戏 |
| P1266 | P1266 速度限制 |
| P12664 | P12664 [KOI 2023 Round 2] 烤肉派对 |
| P12665 | P12665 [KOI 2023 Round 2] ZigZag |
| P12666 | P12666 [KOI 2023 Round 2] 草地上的蚁穴 |
| P12667 | P12667 [KOI 2023 Round 2] 傻瓜锁 |
| P12668 | P12668 「TFXOI Round 2」命中注定的抉择 |
| P12669 | P12669 「TFXOI Round 2」最小价值最大树 |
| P1267 | P1267 排序二叉树 |
| P12670 | P12670 「TFXOI Round 2」LQXZ & AGLT |
| P12671 | P12671 「TFXOI Round 2」String |
| P1268 | P1268 树的重量 |
| P12684 | P12684 【MX-J15-T4】叉叉学习魔法 |
| P1269 | P1269 信号放大器 |
| P12699 | P12699 [KOI 2022 Round 2] 红蓝 |
| P1270 | P1270 “访问”美术馆 |
| P1272 | P1272 重建道路 |
| P12728 | P12728 [KOI 2021 Round 2] 直升机着陆场 |
| P1273 | P1273 有线电视网 |
| P12734 | P12734 理解 |
| P12738 | P12738 [POI 2016 R2] 口吃 Stutter |
| P12751 | P12751 [POI 2017 R2] 集装箱 Shipping containers |
| P12753 | P12753 [POI 2017 R3] 披萨配送员 Pizza delivery |
| P12760 | P12760 [POI 2018 R2] 自行车道 Bike paths |
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