Selection Sort

#include <stdio.h>
#include <stdlib.h>
void swap(int *a ,int *b){
    int temp = *a;
    *a = *b;
    *b = temp;
}
void selectionSort(int a[], int n){
    int i, j, min;
    for(i = 0; i < n - 1; i++){
        min = i;
        for(j = i + 1; j < n; j++)
            if(a[j] < a[min]) min = j;
        if(min != i) swap(&a[min], &a[i]);
    }
}
int main(){
    int *a, n, i;
    printf("Enter the number of elements: ");
    scanf("%d", &n);
    a = (int *) malloc(sizeof(int) *n);
    printf("Enter %d elements:-\n", n);
    for(i = 0; i < n; i++) scanf("%d", &a[i]);
    selectionSort(a, n);
    for(i = 0; i < n; i++) printf("\t%d\t", a[i]);
}