Selectionsort.c

#include <stdio.h>

void selectionSort(int arr[], int n) {
    int i, j, minIdx, temp;

    for (i = 0; i < n - 1; i++) {
        minIdx = i;
        for (j = i + 1; j < n; j++) {
            if (arr[j] < arr[minIdx]) {
                minIdx = j;
            }
        }
        temp = arr[minIdx];
        arr[minIdx] = arr[i];
        arr[i] = temp;
    }
}

void printArray(int arr[], int n) {
    for (int i = 0; i < n; i++) {
        printf("%d ", arr[i]);
    }
    printf("\n");
}

int main() {
    int n;

    // Prompt the user for the number of elements
    printf("Enter the number of elements: ");
    scanf("%d", &n);

    int arr[n]; // Declare an array of size n

    // Read the elements from the user
    printf("Enter %d numbers: \n", n);
    for (int i = 0; i < n; i++) {
        scanf("%d", &arr[i]);
    }

    printf("Original array: \n");
    printArray(arr, n);

    selectionSort(arr, n);

    printf("Sorted array: \n");
    printArray(arr, n);

    return 0;
}