Submission #991036

#	Time	Username	Problem	Language	Result	Execution time	Memory
991036		horezushol	Foehn Phenomena (JOI17_foehn_phenomena)	C++14	30 / 100	1052 ms	3676 KiB

foehn_phenomena

#include<bits/stdc++.h>

const char nl = '\n';

using namespace std;
using ll = long long;

const ll N = 2e5 + 10;
ll n, q, s, t;
ll a[N];

void solve() {
	cin >> n >> q >> s >> t;
	for (ll i = 0; i <= n; i ++) {
		cin >> a[i];
	}
	while (q --) {
		ll l, r, x;
		cin >> l >> r >> x;
		for (ll i = l; i <= r; i ++) {
			a[i] += x;
		}
		ll wd = 0;
		for (ll i = 0; i < n; i ++) {
			if (a[i] < a[i+1]) {
				wd -= (a[i+1] - a[i]) * s;
			} else {
				wd += (a[i] - a[i+1]) * t;
			}
		}
		cout << wd << nl;
	}
}

signed main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	ll tst = 1;
	// cin >> tst;
	while (tst --) {
		solve();
		cout << nl;
	}
}

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