Write a c program to implement Insertion sort

 #include <stdio.h>


void insertionSort(int arr[], int n) {

    for (int i = 1; i < n; i++) {

        int key = arr[i];

        int j = i - 1;


        // Move elements of arr[0..i-1], that are greater than key,

        // to one position ahead of their current position

        while (j >= 0 && arr[j] > key) {

            arr[j + 1] = arr[j];

            j = j - 1;

        }

        arr[j + 1] = key;

    }

}


// Function to print the array

void printArray(int arr[], int size) {

    for (int i = 0; i < size; i++)

        printf("%d ", arr[i]);

    printf("\n");

}


int main() {

    int arr[] = {12, 11, 13, 5, 6};

    int n = sizeof(arr) / sizeof(arr[0]);

    

    printf("Original array: ");

    printArray(arr, n);

    

    insertionSort(arr, n);

    

    printf("Sorted array using Insertion Sort: ");

    printArray(arr, n);


    return 0;

}


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