제출 #287017

#제출 시각아이디문제언어결과실행 시간메모리
287017MasterTasterFoehn Phenomena (JOI17_foehn_phenomena)C++14
0 / 100
1084 ms2884 KiB
#include<bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
#define pii pair<int, int>
#define xx first
#define yy second
#define endl "\n"

int n, q, s, t, arr[200010], temp;

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

    cin>>n>>q>>s>>t;

    for (int i=0; i<=n; i++) cin>>arr[i];

    while (q--)
    {
        int l, r, x;
        cin>>l>>r>>x;

        for (int i=l; i<=r; i++) arr[i]+=x;

        temp=0;
        for (int i=1; i<=n; i++)
        {
            if (arr[i]>arr[i-1])
            {
                temp=temp-s*(arr[i]-arr[i-1]);
            }
            else
                temp=temp+t*(arr[i-1]-arr[i]);
        }
        cout<<temp<<endl;
    }
}
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