Submission

Score: 90

User: jamesz

Problemset: เลขดวง

Language: cpp

Time: 0.002 second

Submitted On: 2026-10-19 21:44:52

#include<iostream>

using namespace std;
int main(){
	int day, fst, bn;
	cin>>day>>fst>>bn;
	int sum = 0;
	if((bn + fst-1)% 7 != 0 && bn != day){
		sum+=bn+1;
	}
	if((bn + fst-2)%7 != 0 && bn != fst){
		sum+=bn-1;
	}
	//cout<<sum<<" left n right";
	if((fst+bn-1) > 7 && bn > fst+3){
		sum+=bn-7;
	}
	if((fst+bn<30) && bn + 7 <= day){
		sum+=bn+7;
	}
	cout<<sum;
	return 0;
}