Sum of digits of a number using recursion function c
/*
* C Program to find Sum of Digits of a Number using Recursion
*/
#include <stdio.h>
int sum (int a);
int main()
{
int num, result;
printf("Enter the number: ");
scanf("%d", &num);
result = sum(num);
printf("Sum of digits in %d is %d\n", num, result);
return 0;
}
int sum (int num)
{
if (num != 0)
{
return (num % 10 + sum (num / 10));
}
else
{
return 0;
}
}find factoril in C using recursion
#include<stdio.h>
fact(int i, int k){
k=k*i;
i--;
if(i==0){
return k;
}
else{
fact(i, k);
}
}
int main()
{
int k = 1, i, factorial;
scanf("%d",&i);
factorial = fact(i, k);
printf("%d\n",factorial);
return 0;
}Copyright © 2021 Codeinu
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