Cod sursa(job #1812901)
Utilizator | Data | 22 noiembrie 2016 15:44:55 | |
---|---|---|---|
Problema | Deque | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.5 kb |
#include <iostream>
#include <fstream>
#include <deque>
using namespace std;
deque<int> D;
int A[5000001];
int n,k;
long long S;
int main()
{
ifstream f("deque.in");
f>>n>>k;
for(int i=1; i<=n; i++)
{
f>>A[i];
while(!D.empty()&&A[i]<=A[D.back()])D.pop_back();
D.push_back(i);
if(D.front()==i-k) D.pop_front();
if(i>=k)S+=A[D.front()];
}
f.close();
ofstream g("deque.out");
g<<S;
g.close();
return 0;
}