| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 53 | NOIP2020A 排水系统(water) | 0 / 0 | (None) | |
| 54 | NOIP2020B 字符串匹配(string) | 0 / 0 | (None) | |
| 55 | NOIP2020C 移球游戏(ball) | 0 / 0 | (None) | |
| 56 | NOIP2020D 微信步数(walk) | 0 / 0 | (None) | |
| 57 | NOIP2021A 报数(number) | 0 / 0 | (None) | |
| 58 | NOIP2021B 数列(sequence) | 0 / 0 | (None) | |
| 59 | NOIP2021C 方差(variance) | 0 / 0 | (None) | |
| 60 | NOIP2021D 棋局(chess) | 0 / 0 | (None) | |
| 61 | NOIP2022A 种花(plant) | 0 / 0 | (None) | |
| 62 | NOIP2022B 喵了个喵(meow) | 0 / 0 | (None) | |
| 63 | NOIP2022C 建造军营(barrack) | 0 / 0 | (None) | |
| 64 | NOIP2022D 比赛(match) | 0 / 0 | (None) | |
| 65 | NOIP2023A 词典(dict) | 0 / 0 | (None) | |
| 66 | NOIP2023B 三值逻辑(tribool) | 0 / 0 | (None) | |
| 67 | NOIP2023C 双序列扩展(expand) | 0 / 0 | (None) | |
| 68 | NOIP2023D 天天爱打卡(run) | 0 / 0 | (None) | |
| 69 | NOIP2024A 编辑字符串(edit)民间数据 | 0 / 0 | (None) | |
| 70 | NOIP2024B 遗失的赋值(assign)民间数据 | 0 / 0 | (None) | |
| 71 | NOIP2024C 树的遍历(traverse)民间数据 | 0 / 0 | (None) | |
| 72 | NOIP2024D 树上查询(query)民间数据 | 0 / 0 | (None) |
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