Submission #1147431

#	Time	Username	Problem	Language	Result	Execution time	Memory
1147431		ray1457	Discharging (NOI20_discharging)	C++20	0 / 100	65 ms	23880 KiB

Discharging

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

#define vi vector<int>
#define pii pair<int,int>
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(),x,end()

#define int ll

void solve() {
	int n;
	cin >> n;
	vi a(n+1);
	for (int i = 1; i<=n; i++) cin >> a[i];

	vi x(n), y(n);

	for (int i = 1; i<n; i++) {
		x[i] = a[i] * n;
		y[i] = a[n] * i;
	}

	int ans = 0;
	int mx = a[n];
	for (int i = n-1; i>=1; i--) {
		if (y[i] > x[i]) {
			ans += (mx * (n - i));
			mx = a[i];
		}
	}

	ans += (mx * n);

	cout << ans << endl;
}


signed main() {
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);

	solve();
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 13
• Subtask 3: 0 / 25
• Subtask 4: 0 / 11
• Subtask 5: 0 / 14
• Subtask 6: 0 / 28