Submission #1116407

#	Time	Username	Problem	Language	Result	Execution time	Memory
1116407		staszic_ojuz	Foehn Phenomena (JOI17_foehn_phenomena)	C++17	30 / 100	1053 ms	2128 KiB

foehn_phenomena

#include <iostream>
#include <algorithm>
#include <cmath>
#include <queue>
#include <vector>
#include <stack>
#include <unordered_map>

using namespace std;

typedef long long ll;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    ll n, q, s, t; cin >> n >> q >> s >> t;
    vector<ll> c(n + 1);
    for(int i = 0; i < n + 1; i++) {
        cin >> c[i];
    }

    for(int i = 0; i < q; i++) {
        ll a, b, x;
        cin >> a >> b >> x;
        for(int i = a; i <= b;i++) {
            c[i] += x;
        }
        ll last = 0;
        for(int j = 1; j < n + 1; j++) {
            if(c[j] > c[j - 1]) {
                last = last + (c[j-1] - c[j]) * -1 * s;
            } else {
                last = last + (c[j] - c[j - 1]) * t;
            }
        }
        cout << -1 * last << '\n';
    }

    return 0;
}

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