Programming Example

C Program to square each element of the array

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How to square each element of the array

Program Code

// How to square each element of the array

#include<stdio.h>
#include<math.h>  
void main()
{
int array[10],n,num, i;
printf("Enter How many elements you want to insert in array: ");
scanf("%d",&n) ;
for(i= 0; i<n; i++)
{
   printf("array[%d]: ",i);	
  scanf("%d",&array[i]);
}
 
 SquareArrayElement(array,n);   // function calling
 
}

void SquareArrayElement(int array[],int size)
{
    int i;
    for(i=0;i<size;i++)
    {
        array[i]=pow(array[i],2);
    }
    
    for(i=0; i<size; i++)
	{
      printf("%d ",array[i]);
	}
}

Output

Enter How many elements you want to insert in array: 5
array[0]: 2
array[1]: 3
array[2]: 4
array[3]: 5
array[4]: 6
4 9 16 25 36

Explanation

none

How to learn from this program

First read the algorithm, then study the program code line by line. After that, compare the code with the output and finally go through the explanation. This approach helps learners understand both the logic and the implementation properly.

Practice suggestion

After understanding this example, try to rewrite the same program without looking at the code. Then change some values or logic and run it again. This helps improve confidence and keeps learners engaged on the page for longer.