Submission #676518

#	Time	Username	Problem	Language	Result	Execution time	Memory
676518		QwertyPi	Skyline (IZhO11_skyline)	C++14	0 / 100	1 ms	212 KiB

skyline

#include <bits/stdc++.h>

using namespace std;

int a[301];

int main(){
	int n; cin >> n;
	for(int i = 0; i < n; i++){
		cin >> a[i];
	}
	
	int ans = 0;
	for(int i = 0; i <= n - 3; i++){
		int h = min(min(a[i], a[i + 1]), a[i + 2]);
		a[i] -= h; a[i + 1] -= h; a[i + 2] -= h;
		ans += h * 7;
	}
	for(int i = 0; i <= n - 2; i++){
		int h = min(a[i], a[i + 1]);
		a[i] -= h; a[i + 1] -= h;
		ans += h * 5;
	}
	for(int i = 0; i <= n - 1; i++){
		int h = a[i];
		a[i] -= h;
		ans += h * 3;
	}
	cout << ans << endl;
}

• Subtask 1: 0 / 100