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   | #include<iostream> using namespace std;
  const int N = 1e6 + 10; int n; int q[N];
  void quick_sort(int q[],int l,int r){     if(l>=r) return;     int x = q[(l+r+1)/2 ],i = l-1,j = r+1;     while(i<j){         do i++ ;while(q[i]<x);         do j-- ;while(q[j]>x);         if(i<j) swap(q[i],q[j]);     }     quick_sort(q,l,j);     quick_sort(q,j+1,r); }
  int main(){     scanf("%d", &n);     for(int i=0;i<n;i++) scanf("%d",&q[i]);
      quick_sort(q, 0 , n-1 );
      for(int i=0;i<n;i++) printf("%d ",q[i]);     return 0; }
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