Submission

Score: 75

User: Mocha_nb

Problemset: ปฏิทินวันแม่

Language: cpp

Time: 0.003 second

Submitted On: 2025-10-13 19:07:59

#include <iostream>
using namespace std;

int main(){
    int m,d,sum=0;
    int arr[13] = {0,31,28,31,30,31,30,31,31,30,31,30,31};
    cin >> m >> d;
    if(m<=8){
        for(int i=m;i<8;i++){
            sum+= arr[i];
        }
        sum += 11;
        d = ((sum%7)+d)%7;
    }else{
        for(int i=9;i<m;i++){
            sum += arr[i];
        }
        sum -= 19;
        d = ((sum%7)+7-d)%7;
    }
    if(d==0){
        cout << 7;
    }else{
        cout << d;
    }
}