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  1. #pragma GCC optimize("Ofast")
  2. #pragma GCC optimize("unroll-loops")
  3. #include<bits/stdc++.h>
  4. using namespace std;
  5. // #define int long long
  6. #define fi first
  7. #define se second
  8. int32_t main()
  9. {
  10.     ios_base::sync_with_stdio(NULL); cin.tie(NULL); cout.tie(NULL); 
  11.     int n,x;
  12.     cin>>n>>x;
  13.     int a[n+5];
  14.     for(int i=1; i<=n; i+=1)
  15.     {
  16.         cin>>a[i];
  17.     }
  18.     int l=0, r=0;
  19.     multiset<int>s;
  20.     //s.insert(a[1]);
  21.     stringstream output;
  22.     while(r<n && l<n-x+1)
  23.     {
  24.         l++;
  25.         while(r-l<x-1)
  26.         {
  27.             r++;
  28.             if(r<=n && r>=1)
  29.             {
  30.                 s.insert(a[r]);
  31.             }
  32.         }
  33.         if(s.size()>0)
  34.         {
  35.             auto it=s.begin();
  36.             int med=(s.size()-1)>>1;
  37.             for(int i=1; i<=med; i+=1)
  38.             {
  39.                 it++;
  40.             }
  41.             cout<<*it<<' ';
  42.         }
  43.         if(s.find(a[l])!=s.end())
  44.         {
  45.             s.erase(s.find(a[l]));
  46.         }
  47.     }
  48. }
Success #stdin #stdout 0s 5308KB
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https://ideone.com/TMVnHe
language:
C++14 (gcc 8.3)
created:
1 day ago
visibility:
public

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