Mai intai trebuie sa te autentifici.
Cod sursa(job #762902)
| Utilizator | Data | 30 iunie 2012 14:57:35 | |
|---|---|---|---|
| Problema | Sortare prin comparare | Scor | 20 |
| Compilator | c | Status | done |
| Runda | Arhiva educationala | Marime | 0.92 kb |
/*
Algoritm de sortare prin comparare - QuickSort.
*/
#include <stdio.h>
#include <stdlib.h>
#define MAX 500000
int numere[MAX];
void interschimb (int *a, int *b) {
int aux;
aux = *a;
*a = *b;
*b = aux;
}
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) {
interschimb(&numere[i], &numere[j]);
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;
}
