ACM模板——玄学逐字符输入输出 

 1 inline ll read()
 2 {
 3     ll ans = 0;
 4     char ch = getchar(), last = ' ';
 5     while(!isdigit(ch)) last = ch, ch = getchar();
 6     while(isdigit(ch)) ans = (ans << 1) + (ans << 3) + ch - '0', ch = getchar();
 7     if(last == '-') ans = -ans;
 8     return ans;
 9 }
10 inline void write(ll x)
11 {
12     if(x < 0) x = -x, putchar('-');
13     if(x >= 10) write(x / 10);
14     putchar(x % 10 + '0');
15 }

 

posted @ 2019-07-26 09:32  Asurudo  阅读(248)  评论(0)  编辑  收藏  举报