Submission

Score: 100

User: tha_smith

Problemset: เลขดวง

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-12 15:34:20

#include <iostream>
using namespace std;

int main() {
	int alld,first,bday,sum=0;
	cin >> alld >> first >> bday;
	first--;
	int col = (first+bday-1)%7;
	
	if(bday>7) {
		sum += (bday-7);
	}
	if(bday+7 <= alld) {
		sum += (bday+7);
	}
	if(col>0 && bday>1) {
		sum += (bday-1);
	}
	if(col<6 && bday<alld) {
		sum += (bday+1);
	}
	cout << sum;
}