selection sort.c

#include <stdio.h>
void swap(int *a, int *b);
void selectionSort(int arr[], int n);
int main() {
    int n;
    printf("Enter the number of elements: ");
    scanf("%d", &n);
    int arr[n];
    printf("Enter %d elements:\n", n);
    int i;
    for (i = 0; i < n; i++) {
        scanf("%d", &arr[i]);
    }
    selectionSort(arr, n);
 
    printf("Sorted array:\n");
    for (i = 0; i < n; i++) {
        printf("%d ", arr[i]);
    }
    return 0;
}
void swap(int *a, int *b) {
    int temp = *a;
    *a = *b;
    *b = temp;
} 
void selectionSort(int arr[], int n) {
    int i, j, minIndex;

    for (i = 0; i < n - 1; i++) {
        minIndex = i;
        for (j = i + 1; j < n; j++) {
            if (arr[j] < arr[minIndex]) {
                minIndex = j;
            }
        }
        swap(&arr[minIndex], &arr[i]);
    } 
}