Cod sursa(job #2812784)
Utilizator | Tacu Alexandru AlexTacu | Data | 5 decembrie 2021 09:27:54 |
---|---|---|---|
Problema | Deque | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.52 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream in("deque.in");
ofstream out("deque.out");
int n,k;
long long v[5000005];
long long int suma;
deque < int > Q;
int main()
{
in>>n>>k;
for(int i=1; i<=n; i++)
{
in>>v[i];
while(!Q.empty() && v[i] <= v[Q.back()])
Q.pop_back();
Q.push_back(i);
if(Q.front() <= i - k)
Q.pop_front();
if(i >= k)
suma += v[Q.front()];
}
out<<suma;
return 0;
}