Submission

Score: 85

User: Quaoar

Problemset: ปฏิทินวันแม่

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-09 18:23:36

#include <iostream>
using namespace std;

int main() {      //1  2   3   4   5   6    7   8    9   10  11  12
    int months[] = {31,28 ,31 ,30 ,31 ,30 , 31 , 31 ,30 ,31 ,30 ,31};
    int month;
    int day;
    cin >> month;
    cin >> day;
    int sum1 = 0;
    int sum2 = 244; //
    
    for (int i = 0 ; i < month - 1 ; i++){
        sum1 += months[i];
    }
    sum1 = sum1 + 1;
    
    if (sum1 < sum2){
        cout << (((sum2 -sum1) + day) % 7) + 1;
    } else {
        cout << (((sum1 - sum2) + day) & 7) + 1; 
    }

    
    return 0;
}