Pagini recente » Arhiva de probleme | Cod sursa (job #173652) | simulare_jmekera_1 | Promo | Cod sursa (job #1992045)
#include<fstream>
using namespace std;
ifstream f("algsort.in");
ofstream g("algsort.out");
int ordonare(int *v, int i, int j)
{
int piv = rand() % (i + j - 1) + i;
while (i <= j) {
while (v[i] < v[piv]) i++;
while (v[j] > v[piv]) j--;
if (i <= j) {
int aux = v[i];
v[i] = v[j];
v[j] = aux;
i++; j--;
}
}
return i;
}
void quicksort(int* a, int l, int r)
{
if (l >= r) return;
int i = ordonare(a, l, r);
quicksort(a, l, i - 1);
quicksort(a, i, r);
}
int main()
{
int n, v[20];
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] << " ";
}