Cod sursa(job #2717660)
Utilizator | Andrei Croitoru AndreiCroitoru | Data | 7 martie 2021 19:30:46 |
---|---|---|---|
Problema | Deque | Scor | 25 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.45 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream in("deque.in");
ofstream out("deque.out");
deque <int> d;
int v[5000001];
int main()
{
int n,ans=0,k;
in>>n>>k;
for(int i=0;i< n;i++)
{
in>>v[i];
}
for(int i=0;i< n;i++)
{
while(!d.empty() and d.front()==i-k )
d.pop_front();
while(!d.empty() and v[i]<=v[d.back()])
d.pop_back();
d.push_back(i);
if(i>=k-1)
{
ans+=v[d.front()];
}
}
out<<ans;
}