Submission #746506

#	Time	Username	Problem	Language	Result	Execution time	Memory
746506		Nelt	Foehn Phenomena (JOI17_foehn_phenomena)	C++17	30 / 100	1059 ms	2744 KiB

foehn_phenomena

#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#include <bits/stdc++.h>
#define ll long long
#define endl "\n"
using namespace std;
int a[200005];

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);
    int n, q, l, r, x, i, s, t;
    cin >> n >> q >> s >> t;
    for (i = 0; i <= n; i++)
        cin >> a[i];
    ll ans;
    while (q--)
    {
        cin >> l >> r >> x;
        for (; l <= r; l++) a[l] += x;
        // for (i = 0; i <= n; i++)
        //     cout << a[i] << " \n"[i == n];
        ans = 0;
        for (i = 0; i < n; i++)
            ans += (a[i] < a[i + 1] ? 1ll * (a[i] - a[i + 1]) * s : 1ll * (a[i] - a[i + 1]) * t);// cout << ans << " ";
        cout << ans << endl;
    }
}

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