| ID | 题目 显示标签 隐藏标签 | AC / 尝试 | 难度 | |
|---|---|---|---|---|
| 7155 | CF2009A Minimize! | 1 / 1 | 10 | |
| 7156 | CF2009B osu!mania | 1 / 4 | 10 | |
| 7157 | CF2009C The Legend of Freya the Frog | 5 / 17 | 8 | |
| 7158 | CF2009D Satyam and Counting | 0 / 0 | (无) | |
| 7159 | CF2009E Klee's SUPER DUPER LARGE Array!!! | 0 / 0 | (无) | |
| 7160 | CF2009F Firefly's Queries | 1 / 1 | 10 | |
| 7161 | CF2009G1 Yunli's Subarray Queries (easy version) | 0 / 0 | (无) | |
| 7162 | CF2009G2 Yunli's Subarray Queries (hard version) | 0 / 0 | (无) | |
| 7163 | CF2009G3 Yunli's Subarray Queries (extreme version) | 1 / 1 | 10 |