| Time Limit | $1$ 秒/Second(s) | Memory Limit | $512$ 兆字节/Megabyte(s) |
| 提交总数 | $0$ | 正确数量 | $0$ | "
| 裁判形式 | 标准裁判/Standard Judge | 我的状态 | 尚未尝试 |
| 难度 | 分类标签 | STL |
There are $n$ acitivities with start times $\{s_i\}$ and finish times $\{t_i\}$. Assuming that a person can only work on a single activity at a time, find the maximum number of activities that can be performed by a single person.
The first line consists of the integer nn. In the following nn lines, the start time sisi and the finish time titi of the activity ii are given.
5
1 2
3 9
3 5
5 9
6 8
3
| 本题记录 | 用 户（点击查看用户） | 运行号（点击购买题解） | 时 间 |
|---|---|---|---|
| 算法最快[$ $ms] | |||
| 内存最少[$ $KB] | |||
| 第一AC | |||
| 第一挑战 |
| 竞赛编号 | 竞赛名称 | 竞赛时间 | 访问比赛 |
|---|