Submission

Score: 100

User: mameeewin

Problemset: คิดถึงแม่

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-13 16:23:01

#include <iostream>
#include <vector>
using namespace std;

int main(){
  int n; cin >> n;
  vector<int> months={31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
  cout << ((n-1-(31+30+31+30+31-12))%7+7)%7+1;
}
/*
Mother's day: August 12
January: 31
February: 28
March: 31
April: 30
May: 31
June: 30
July: 31
August: 31
September: 30
October: 31
November: 30
December: 31

TEST
1. Given Testcases
2. Minimum
3. Maximum
4. Duplicates
5. Negative Numbers / Zero

CHECK
1. Indexing Error/Wrong Variable
2. Division/Modulo by Zero
3. Overflow/Constraints
4. Leftover Debugging Output
5. Filename
*/