Cod sursa(job #3172313)
Utilizator | Damian Alexandru alexdmn | Data | 20 noiembrie 2023 14:50:59 |
---|---|---|---|
Problema | Deque | Scor | 60 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.52 kb |
#include <fstream>
#include <queue>
#define int long long
using namespace std;
int v[5000005];
deque <int> d;
int32_t main()
{
ifstream cin("deque.in");
ofstream cout("deque.out");
int n, k, s=0;
cin>>n>>k;
for(int i=0;i<n;i++)
{
cin>>v[i];
}
for(int i=0;i<n;i++)
{
while(!d.empty() && v[i]<=v[d.back()])
d.pop_back();
d.push_back(i);
if(d.front()<=i-k)
d.pop_front();
if(i>=k-1)
s+=v[d.front()];
}
cout<<s;
return 0;
}