Submission #996831

#	Time	Username	Problem	Language	Result	Execution time	Memory
996831		toast12	Foehn Phenomena (JOI17_foehn_phenomena)	C++14	30 / 100	1071 ms	3556 KiB

foehn_phenomena

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

#define ll long long

int main() {
    int n, q, s, t;
    cin >> n >> q >> s >> t;
    vector<ll> a(n+1);
    for (int i = 0; i <= n; i++) {
        cin >> a[i];
    }
    vector<ll> temp(n+1);
    while (q--) {
        int l, r, x;
        cin >> l >> r >> x;
        for (int i = l; i <= r; i++) {
            a[i] += x;
        }
        for (int i = 0; i < n; i++) {
            if (a[i] < a[i+1]) {
                temp[i+1] = temp[i]-(a[i+1]-a[i])*s;
            }
            else {
                temp[i+1] = temp[i]+(a[i]-a[i+1])*t;
            }
        }
        cout << temp[n] << '\n';
    }
    return 0;
}

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