[백준/C++] 2948 - 2009년

https://www.acmicpc.net/problem/2948

#include <iostream>
using namespace std;

int main() {
    int d, m;
    cin >> d >> m;

    int days[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
    string weekdays[7] = {"Thursday", "Friday", "Saturday", "Sunday", "Monday", "Tuesday", "Wednesday"};

    int total = 0;
    for (int i = 0  ; i < m - 1; i++) {
        total += days[i];
    }
    total += d - 1;
    
    cout << weekdays[total % 7] << endl;
}