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Cod sursa(job #762907)
/*
Algoritm de sortare prin comparare - QuickSort.
*/
#include <stdio.h>
#include <stdlib.h>
#define MAX 500000
int numere[MAX];
void quicksort (int start, int stop) {
int i = start - 1;
int j = stop;
int temp = numere[(i + j) >> 1];
do {
while (numere[i] < temp)
i++;
while (numere[j] > temp)
j--;
if (i <= j) {
int aux = numere[i];
numere[i] = numere[j];
numere[j] = aux;
i++;
j--;
}
} while (i <= j);
if (start < j)
quicksort(start, j);
if (i < stop)
quicksort(i, stop);
}
int main () {
int n;
int i;
freopen("algsort.in", "r", stdin);
freopen("algsort.out", "w", stdout);
scanf("%d", &n);
for (i = 0; i < n; i++)
scanf("%d", &numere[i]);
quicksort(0, n - 1);
for (i = 0; i < n; i++)
printf("%d ", numere[i]);
return 0;
}