Submission #852281

#	Time	Username	Problem	Language	Result	Execution time	Memory
852281		stdfloat	Foehn Phenomena (JOI17_foehn_phenomena)	C++17	30 / 100	1047 ms	2912 KiB

foehn_phenomena

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

using ll = long long;

int main() {
	ios::sync_with_stdio(false); cin.tie(nullptr);

	int n, q, s, t;
	cin >> n >> q >> s >> t;

	vector<int> a(n + 1);
	for (int i = 0; i <= n; i++) {
		cin >> a[i];
	}

	while (q--) {
		int l, r, x;
		cin >> l >> r >> x;
		for (int i = l; i <= r; i++) {
			a[i] += x;
		}

		ll ans = 0;
		for (int i = 0; i < n; i++) {
			ans += 1LL * (a[i] < a[i + 1] ? s : t) * (a[i] - a[i + 1]);
		}

		cout << ans << '\n';
	}
}

• Subtask 1: 30 / 30
• Subtask 2: 0 / 10
• Subtask 3: 0 / 60