摘要: 快读数字模板 int FR() { int x = 0, f = 1; char c = getchar(); while (c < '0' || c > '9') { if (c == '-') f = -1; c = getchar(); } while (c >= '0' && c <= '9 阅读全文
posted @ 2023-09-04 10:09 Happydaylhp 阅读(3) 评论(0) 推荐(0) 编辑