#include<stdio.h> int run[] = { 31,29,31,30,31,30,31,31,30,31,30,31 }; int norun[] = { 31,28,31,30,31,30,31,31,30,31,30,31 }; int isRun(int year) { if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0) return 1; else return 0; } void result(int y, int m, int d, int days) {//给定日期,计...