```cpp
inline int read() {
int X=0,w=0;
char ch=0;
while(!isdigit(ch)) {
w|=ch=='-';
ch=getchar();
}
while(isdigit(ch)) X=(X<<3)+(X<<1)+(ch^48),ch=getchar();
return w?-X:X;
}
inline void write(int x) {
if(x<0) putchar('-'),x=-x;
if(x>9) write(x/10);
putchar(x%10+'0');
}
```
by 雪绮晶 @ 2018-08-30 23:13:18
@[jiuguaiwf](/space/show?uid=41528) 您看行吗？
by 雪绮晶 @ 2018-08-30 23:13:26
记得调用头文件<cctype>
by 雪绮晶 @ 2018-08-30 23:13:48
@[雪绮晶](/space/show?uid=110460) 哇，谢谢啦
by jiuguaiwf @ 2018-08-31 08:50:53
+1，用了优读依然过不去
by GKxx @ 2018-09-29 21:12:08
用了读优依然卡不过，BZOJ已过。
by hjsjhn @ 2018-10-21 19:27:45
也是9,11这两个点
by hjsjhn @ 2018-10-21 19:28:02
@[Sys_Con](/space/show?uid=51361) 光速幂？
by 樱初音斗橡皮 @ 2019-02-16 17:41:38
@[樱初音斗橡皮](/space/show?uid=66287)
我在2018-10-23已经A掉了，谢谢O(∩_∩)O
by hjsjhn @ 2019-02-16 20:33:52
@[Sys_Con](/space/show?uid=51361) 发现挖坟抱歉
by 樱初音斗橡皮 @ 2019-02-16 20:40:35