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Cod sursa(job #378093)
# include <cstdio>
# include <time.h>
# include <stdlib.h>
using namespace std;
# define FIN "algsort.in"
# define FOUT "algsort.out"
# define MAX_N 500005
int N, K, i;
int V[MAX_N];
void sort(int st, int dr)
{
int i = st, j = dr, piv = V[rand() % (dr - st + 1) + st];
while (i <= j)
{
while (V[i] < piv) ++i;
while (V[j] > piv) --j;
if (i <= j)
{
int ax = V[i];
V[i] = V[j];
V[j] = ax;
++i; --j;
}
}
if (st < j) sort(st, j);
if (i < dr) sort(i, dr);
}
int main()
{
freopen(FIN, "r", stdin);
freopen(FOUT, "w", stdout);
srand(time(NULL));
scanf("%d", &N);
for (i = 1; i <= N; ++i) scanf("%d", &V[i]);
sort(1, N);
for (i = 1; i <= N; ++i) printf("%d ", V[i]);
return 0;
}