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#include <bits/stdc++.h>
using namespace std;
ifstream fin("deque.in");
ofstream fout("deque.out");
const long long NMax = 5000005;
int main()
{
int n, k, sum = 0, val;
fin >> n >> k;
deque<pair<int, int>> dq;
for(int i=1; i<=n; ++i){
if(!dq.empty()){
if(dq.front().first == i - k){
dq.pop_front();
}
}
fin >> val;
while(!dq.empty() && dq.back().second > val){
dq.pop_back();
}
dq.emplace_back(i, val);
if(dq.back().first >= i - k + 1 && i >= k){
cout << dq.front().second << ' ';
sum += dq.front().second;
}
}
fout << sum << '\n';
return 0;
}