摘要: int scan(){ int res = 0, flag = 0; char ch; if((ch = getchar()) == '-') flag = 1; else if (ch >= '0' && ch <= '9') res = ch - '0'; while((ch = getchar 阅读全文
posted @ 2021-10-30 09:19 Altwilio 阅读(117) 评论(0) 推荐(0)