Pagini recente » Cod sursa (job #3338030) | Cod sursa (job #1289639) | Cod sursa (job #953981) | Cod sursa (job #2188327) | Cod sursa (job #3346023)
#include <cstdlib>
#include <ctime>
#include <iostream>
#define NMAX 500000
void quick_sort(int *v, int n)
{
int k, a;
int m = 1;
if (n < 2)
return;
k = rand() % n;
a = v[0];
v[0] = v[k];
v[k] = a;
for (int i = 0, j = n - 1, d = 0; i < j; i += d, j -= (1 - d)) {
if (v[i] > v[j]) {
a = v[i];
v[i] = v[j];
v[j] = a;
d = 1 - d;
}
m += d;
}
quick_sort(v, m - 1);
quick_sort(v + m, n - m);
}
int main()
{
int n;
int v[NMAX];
freopen("algsort.in", "r", stdin);
freopen("algsort.out", "w", stdout);
srand(time(nullptr));
std::cin >> n;
for (int i = 0; i < n; ++i)
std::cin >> v[i];
quick_sort(v, n);
for (int i = 0; i < n; ++i)
std::cout << v[i] << ' ';
std::cout << '\n';
return 0;
}