Submission #1159635

#	Time	Username	Problem	Language	Result	Execution time	Memory
1159635		Hakuna	Foehn Phenomena (JOI17_foehn_phenomena)	C++20	30 / 100	1095 ms	2000 KiB

foehn_phenomena

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

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    
    int n, Q, S, T;
    cin >> n >> Q >> S >> T;
    long long a[n + 1];
    for (int i = 0; i <= n; i++) {
        cin >> a[i];
    }
    while (Q--) {
        int l, r, x;
        cin >> l >> r >> x;
        
        long long res = 0;
        for (int i = l; i <= r; i++) a[i] += x; 
        for (int i = 0; i < n; i++) {
            if (a[i] < a[i + 1]) {
                res -= S * (a[i + 1] - a[i]);
            } else res += T * (a[i] - a[i + 1]);
        }
        cout << res << '\n';
    }

    return 0;
}

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