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Cod sursa(job #748309)
#include<fstream>
using namespace std;
void quicksort(int v[],int left,int right)
{
int i=left,j=right;
int aux;
int pivot=v[(left+right)/2];
while(i<=j){
while(v[i]<pivot)
i++;
while(v[j]>pivot)
j--;
if(i<=j)
{
aux=v[i];
v[i]=v[j];
v[j]=aux;
i++;
j--;
}
}
if(left<j)
quicksort(v,left,j);
if(i<right)
quicksort(v,i,right);
}
int main()
{
int v[500000],n;
ifstream f("algsort.in");
ofstream g("algsort.out");
f>>n;
for(int i=1;i<=n;i++)
f>>v[i];
quicksort(v,1,n);
for(int i=1;i<=n;i++)
g<<v[i]<<' ';
return 0;
}