Submission

Score: 100

User: NovemNotes

Problemset: ปฏิทินวันแม่

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-15 09:32:07

#include <bits/stdc++.h>
using namespace std;

vector<int> calendar = {0,31,28,31,30,31,30,31,31,30,31,30,31};
vector<int> pref(13);

int main(){
    ios_base::sync_with_stdio(false);cin.tie(NULL);
    //12 สิงหาคม
    for(int i=1;i<=12;i++)pref[i]=pref[i-1]+calendar[i];
    int want = pref[7]+12;
    int mn,dy;cin >> mn >> dy;
    int now = pref[mn-1]+1;
    int rn = abs(now-want);
    if(mn > 8){
        int day = (dy-rn)%7;
        int num = (day+7)%7;
        cout << (num==0? 7 : num) << "\n";
    }else{
        int day = (dy+rn)%7;
        cout << (day==0? 7 : day) << "\n";
    }
    return 0;
}