摘要： 题目链接。分析：原来一天天数是这样简单。。#include <stdio.h>int month[13] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};int is_leap(int n){ return ((n % 4 == 0 && n % 100 != 0) || (n % 400 == 0));}void pre(int n){ int y = 2013, m = 3, d = 24; while(n--){ d--; if(d == 0){ m--; ... 阅读全文