# SkyWT

#### 我们的征途是星辰大海

💬 博客评论 IP 错乱的问题已修复。最近更新：博客全面启用 PJAX 无刷新（221005）。
📧 现在可以使用邮箱订阅本博客。欢迎订阅！

$$\begin{bmatrix} x_{11} & x_{12} & x_{13} \\ x_{21} & x_{22} & x_{23} \\ x_{31} & x_{32} & x_{33} \end{bmatrix}$$

More...

More...

## HDU 3555 Bomb

The counter-terrorists found a time bomb in the dust. But this time the terrorists improve on the time bomb. The number sequence of the time bomb counts from 1 to N. If the current number sequence includes the sub-sequence "49", the power of the blast would add one point.
Now the counter-terrorist knows the number N. They want to know the final points of the power. Can you help them?

More...

Linux 下没有 Dev-cpp，每次遇到想要调试的代码就是坠痛苦的。所以我们还是得学点 gdb 调试的命令。

More...

More...

More...

More...

More...

$10^9$ 级别居然都可以压过去！！！

More...

More...