Cod sursa(job #3136897)
Utilizator | Data | 9 iunie 2023 10:03:33 | |
---|---|---|---|
Problema | Deque | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.49 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream fin("deque.in");
ofstream fout("deque.out");
int n, k, i, a[5000002];
long long r;
deque<int> q;
int main() {
fin >> n >> k;
for(i = 1; i <= n; i++) {
fin >> a[i];
while(!q.empty() && a[q.back()] >= a[i]) q.pop_back();
q.push_back(i);
if(i < k) continue;
if(!q.empty() && i - q.front() >= k) q.pop_front();
r += a[q.front()];
}
fout << r;
return 0;
}