Pagini recente » Cod sursa (job #249292) | Rating Petcu Eduard Gabriel (eduardpetcu) | Cod sursa (job #1905100) | Cod sursa (job #2748132) | Cod sursa (job #1815922)
#include <iostream>
#include <fstream>
#define NMAX 500001
using namespace std;
ifstream in("algsort.in");
ofstream out("algsort.out");
int A[NMAX], n;
void quicksort(int x, int y)
{
if (x < y)
{
int i = x, j = y, pivot = A[(x + y)/2];
while (i <= j)
{
while (A[i] < pivot)
i++;
while (A[j] > pivot)
j--;
if (i <= j)
{
swap(A[i], A[j]);
i++;
j--;
}
}
if (i < y)
quicksort(i, y);
if (j > x)
quicksort(x, j);
}
}
int main()
{
in >> n;
for (int i = 1; i <= n; i++)
in >> A[i];
in.close();
quicksort(1, n);
for (int i = 1; i <= n; i++)
out << A[i] << " ";
out.close();
return 0;
}