C Exercises: Print the array elements
C Recursion : Exercise-4 with Solution
Write a program in C to print the array elements using recursion.
Pictorial Presentation:
Sample Solution:
C Code:
#include <stdio.h>
#define MAX 100
void ArrayElement(int arr1[], int st, int l);
int main()
{
int arr1[MAX];
int n, i;
printf("\n\n Recursion : Print the array elements :\n");
printf("-------------------------------------------\n");
printf(" Input the number of elements to be stored in the array :");
scanf("%d",&n);
printf(" Input %d elements in the array :\n",n);
for(i=0;i<n;i++)
{
printf(" element - %d : ",i);
scanf("%d",&arr1[i]);
}
printf(" The elements in the array are : ");
ArrayElement(arr1, 0, n);//call the function ArrayElement
printf("\n\n");
return 0;
}
void ArrayElement(int arr1[], int st, int l)
{
if(st >= l)
return;
//Prints the current array element
printf("%d ", arr1[st]);
/* Recursively call ArrayElement to print next element in the array */
ArrayElement(arr1, st+1, l);//calling the function ArrayElement itself
}
Sample Output:
Recursion : Print the array elements : ------------------------------------------- Input the number of elements to be stored in the array :6 Input 6 elements in the array : element - 0 : 2 element - 1 : 4 element - 2 : 6 element - 3 : 8 element - 4 : 10 element - 5 : 12 The elements in the array are : 2 4 6 8 10 12
Flowchart:
C Programming Code Editor:
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C Programming: Tips of the Day
Static variable inside of a function in C
The scope of variable is where the variable name can be seen. Here, x is visible only inside function foo().
The lifetime of a variable is the period over which it exists. If x were defined without the keyword static, the lifetime would be from the entry into foo() to the return from foo(); so it would be re-initialized to 5 on every call.
The keyword static acts to extend the lifetime of a variable to the lifetime of the programme; e.g. initialization occurs once and once only and then the variable retains its value - whatever it has come to be - over all future calls to foo().
Ref : https://bit.ly/3fOq7XP
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