제출 #1159635

#제출 시각아이디문제언어결과실행 시간메모리
1159635HakunaFoehn Phenomena (JOI17_foehn_phenomena)C++20
30 / 100
1095 ms2000 KiB
#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;
}
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