1. (C++) Write down the steps how insertion sort for sorting the following elements in an array:
22, 1, 7, -9, 121, 75, 89, 29, 500, 43
Insertion sort:
Given array: 22 1 7 -9 121 75 89 29 500 43
Step 1: 22 1 7 -9 121 75 89 29 500 43
Step 2: 1 22 7 -9 121 75 89 29 500 43
Step 3: 1 7 22 -9 121 75 89 29 500 43
Step4: -9 1 7 22 121 75 89 29 500 43
Step5: -9 1 7 22 121 75 89 29 500 43
Step 6: -9 1 7 22 75 121 89 29 500 43
Step 7: -9 1 7 22 75 89 121 29 500 43
Step 8: -9 1 7 22 29 75 89 121 500 43
Step 9: -9 1 7 22 29 75 89 121 500 43
Step 10: -9 1 7 22 29 43 75 89 121 500
After these steps array is in sorted order.
Program:
#include<bits/stdc++.h>
using namespace std;
//function to print an array
void printArray(int arr[], int n)
{
int i;
for (i = 0; i < n; i++)
cout << arr[i] << " ";
cout << endl;
}
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;
//printing each step of insertion sort.
cout << "Step " << i+1 << ": ";
printArray(arr, n); //calling the function to print the
array.
}
}
int main()
{
int arr[] = {22, 1, 7, -9, 121, 75, 89, 29, 500, 43}; //array
initialization.
int n = sizeof(arr) / sizeof(arr[0]); //calculating the size of the
array.
//printing the array of step 1.
cout << "Step 1: ";
printArray(arr, n);
insertionSort(arr, n); //calling the function to sort the
remaining array.
return 0;
}
output:
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1. (C++) Write down the steps how insertion sort for sorting the following elements in an...
[C++ language] Write down the steps how insertion sort for sorting the following elements in an array: 22, 1, 7, -9, 121, 75, 89, 29, 500, 43 I need Steps plus the code.
[C++ language] Write down the steps how insertion sort for sorting the following elements in an array: 22, 1, 7, -9, 121, 75, 89, 29, 500, 43 I need Steps as an algorithm plus the code and screenshotes
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