From a36e361ca1ce97df9cb7d772ced36ca3b98e8ab3 Mon Sep 17 00:00:00 2001 From: Shivani_011 <75663980+Shivani-001@users.noreply.github.com> Date: Fri, 8 Oct 2021 22:09:28 +0530 Subject: [PATCH] insertionSort.c --- C/Algorithms/Sorting/insertionSort.c | 43 ++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 C/Algorithms/Sorting/insertionSort.c diff --git a/C/Algorithms/Sorting/insertionSort.c b/C/Algorithms/Sorting/insertionSort.c new file mode 100644 index 0000000..d0fd6bc --- /dev/null +++ b/C/Algorithms/Sorting/insertionSort.c @@ -0,0 +1,43 @@ +// C program for insertion sort +#include +#include + +/* Function to sort an array using insertion sort*/ +void insertionSort(int arr[], int n) +{ + int i, key, j; + for (i = 1; i < n; i++) { + key = arr[i]; + 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; + } +} + +// A utility function to print an array of size n +void printArray(int arr[], int n) +{ + int i; + for (i = 0; i < n; i++) + printf("%d ", arr[i]); + printf("\n"); +} + +/* Driver program to test insertion sort */ +int main() +{ + int arr[] = { 12, 11, 13, 5, 6 }; + int n = sizeof(arr) / sizeof(arr[0]); + + insertionSort(arr, n); + printArray(arr, n); + + return 0; +}