Submission #1116184

#	Time	Username	Problem	Language	Result	Execution time	Memory
1116184		staszic_ojuz	Foehn Phenomena (JOI17_foehn_phenomena)	C++17	30 / 100	1048 ms	5068 KiB

foehn_phenomena

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

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n, q, s, t;
    cin >> n >> q >> s >> t;
    vector<int64_t> amplitudes;
    int64_t temps[n + 1] = {0};
    int l, r, x;
    cin >> x;
    amplitudes.push_back(x);
    for(int i = 1; i <= n; i++){
        cin >> x;
        amplitudes.push_back(x);
    }
    for(int k = 0; k < q; k++){
        cin >> l >> r >> x;
        for(int j = l; j <= r; j++){
            amplitudes[j] += x;
        }
        temps[0] = 0;
        for(int i = 1; i <= n; i++){
            if(amplitudes[i - 1] >= amplitudes[i]){
                temps[i] = temps[i - 1] + t * (amplitudes[i - 1] - amplitudes[i]);
            }else{
                temps[i] = temps[i - 1] - s * (amplitudes[i] - amplitudes[i - 1]);
            }
        }
        cout << temps[n] << endl;
    }
}

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