摘要: int read() { register int x = 0,f = 1;register char ch; ch = getchar(); while(ch > '9' || ch < '0'){if(ch == '-') f = -f;ch = getchar();} while(ch <= 阅读全文
posted @ 2023-01-29 20:14 f2021yjm 阅读(14) 评论(0) 推荐(0) 编辑