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Cod sursa(job #931009)
#include <fstream>
using namespace std;
ifstream f("algsort.in");
ofstream g("algsort.out");
void quicksort(long a[], long left, long right)
{
long i = left, j = right;
long aux;
long pivot=a[(left+right)/2];
while (i<=j)
{
while (a[i]<pivot) i++;
while (a[j]>pivot) j--;
if (i<=j)
{
aux = a[i];
a[i] = a[j];
a[j] = aux;
i++; j--;
}
}
if (left<j) quicksort(a, left, j);
if (i<right) quicksort(a, i, right);
}
int main()
{
long n,a[500000];
f>>n;
for (int i=1; i<=n; i++) f>>a[i];
quicksort(a,1,n);
for (int i=1; i<=n; i++) g<<a[i]<<' ';
f.close(); g.close();
return 0;
}