Submission

Score: 75

User: peilin

Problemset: ปฏิทินวันแม่

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-12 17:04:07

#include <iostream>

using namespace std;

void solve() {
    const int DAYS_IN_MONTH[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
    int m; 
    int d; 

    if (!(cin >> m >> d)) return;
    
    const int TARGET_MONTH_INDEX = 7;
    const int TARGET_DAY = 12;
    long long total_days_difference = 0;
    
    for (int month_idx = m - 1; month_idx < TARGET_MONTH_INDEX; ++month_idx) {
        total_days_difference += DAYS_IN_MONTH[month_idx];
    }
    
    total_days_difference += (TARGET_DAY - 1); 
    long long day_shift = total_days_difference % 7;
    int final_day_number = (d + day_shift - 1) % 7 + 1;
    cout << final_day_number << endl;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    solve();
    
    return 0;
}