摘要: int read() { char ch = getchar(); int flag = 1 , ans = 0; while(ch<'0' || ch>'9') if(ch=='-') flag = -1 , ch=getchar(); while(ch>='0' && ch<='9') ans 阅读全文
posted @ 2019-11-27 19:14 __MEET 阅读(141) 评论(0) 推荐(0) 编辑