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2.7.cpp
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62 lines (54 loc) · 1.48 KB
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/*
* 题目名称：Day of Week
* 题目来源：上海交通大学复试上机题
* 题目链接：http://t.cn/E9YZLbi
* 代码作者：杨泽邦(炉灰)
*/
#include <iostream>
#include <cstdio>
#include <cmath>
using namespace std;
const int dayTable[2][13]={
{0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
{0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}
};
string monthName[13] = {
"", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"
};
string weekName[7] = {
"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"
};
bool IsLeapYear(int year) {
return (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0);
}
int Number(int year, int month, int day) {
int number = 0;
for (int i = 1; i < year; ++i) {
if (IsLeapYear(i)) {
number += 366;
} else {
number += 365;
}
}
int row = IsLeapYear(year);
for (int j = 0; j < month; ++j){
number += dayTable[row][j];
}
number += day;
return number;
}
int main() {
int year, month, day;
string monthInput;
while (cin >> day >> monthInput >> year) {
for (int i = 1; i <= 12; ++i) {
if (monthInput == monthName[i]) {
month = i;
break;
}
}
int number = Number(year, month, day);
cout << weekName[number % 7] << endl;
}
return 0;
}