标签:line color etc nbsp 实用 int col bsp 用处
其实用处不大 acm卡常没什么意思 原理就是getchar()很快
inline int read(){ char ch = getchar(); int x = 0, f = 1; while(ch < ‘0‘ || ch > ‘9‘) {if(ch == ‘-‘) f = -1; ch = getchar();} while(‘0‘ <= ch && ch <= ‘9‘) {x = x * 10 + ch - ‘0‘; ch = getchar();} return x * f; }
标签:line color etc nbsp 实用 int col bsp 用处
原文地址:https://www.cnblogs.com/wmj6/p/10518142.html