//从该题的目的出发,就是求2012任意一天上周几
//容易知道2012是leap year, 1月1日是周日, 电脑获得
#include <iostream>
using namespace std;
int arr[13] = {0,31,29,31,30,31,30,31,31,30,31,30,31};
string week[8] = {"0","Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
int main...