Submission #71942

#	Time	Username	Problem	Language	Result	Execution time	Memory
71942		고윤하 연말콘 언제하니 (#119)	Angelic Hourglass (FXCUP3_hourglass)	C++17	58 / 100	4 ms	620 KiB

hourglass

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

int n, ans[] = {0, 0, 0, 1, -1, 1, 2, -1, 2, 3, 2, 3, 4, 3, 4};

int main() {
	cin >> n;

	if (n<15) cout << ans[n];
	else {
		if (n%5==0) cout << n/5;
		if (n%5==1) cout << n/5+1;
		if (n%5==2) cout << n/5+2;
		if (n%5==3) cout << n/5+1;
		if (n%5==4) cout << n/5+2;
	}
}

• Subtask 1: 17 / 17
• Subtask 2: 0 / 42
• Subtask 3: 41 / 41