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C Programming :: Functions

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3. What is the output of the following problem ?


int main() {
int factorial(int n);
int i,ans;
ans = factorial(5);
printf("\nFactorial by recursion = %d\n", ans);
return 0;
int factorial(int n)
if (n <= 1)
return (1);
return ( n * factorial(n-1));

Answer: Option A

Explanation :

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