Cod sursa(job #3197141)
Utilizator | Data | 25 ianuarie 2024 19:33:50 | |
---|---|---|---|
Problema | Deque | Scor | 60 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.41 kb |
#include<bits/stdc++.h>
#define ll long long
using namespace std;
ifstream in("deque.in");
ofstream out("deque.out");
ll n,k,a[5000001],s;
deque<ll> q;
int main()
{in>>n>>k;
for(ll i=1;i<=n;i++) {
in>>a[i];
if(!q.empty() && q.front()==i-k) q.pop_front();
while(!q.empty() && a[i]<=a[q.back()])
q.pop_back();
q.push_back(i);
if(i>=k) s+=a[q.front()];
}
out<<s;
return 0;
}