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Cod sursa(job #659098)
#include<iostream>
#include<fstream>
using namespace std;
int v[500001],n;
ifstream f("algsort.in");
ofstream g("algsort.out");
void quicksort(int v[],int left,int right){
int i=left,j=right,pivot=v[left+(right-left)/2];
while(i<=j){
while(v[i]<pivot)
i++;
while(v[j]>pivot)
j--;
if(i<=j){
swap(v[i],v[j]);
i++;
j--;
}
}
if(left<j)
quicksort(v,left,j);
if(i<right)
quicksort(v,i,right);
}
int main(){
f>>n;
for(int i=1;i<=n;i++)
f>>v[i];
quicksort(v,1,n);
for(int i=1;i<=n;i++)
cout<<v[i]<<" ";
cout<<endl;
return 0;
}