Submission #287021

#	Time	Username	Problem	Language	Result	Execution time	Memory
287021		MasterTaster	Foehn Phenomena (JOI17_foehn_phenomena)	C++14	30 / 100	1095 ms	1920 KiB

foehn_phenomena

#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"

ll 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--)
    {
        ll 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;
    }
}

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