Finding Max Value with Recursion

max.c

#include "stdio.h"

// find the max number in a list/array

// n is the last index of the array
int arr_max(int arr[], int max, int n)
{
  	//base case
	if (n == 0)
  	{
  		if (arr[n] > max)
    	max = arr[n];
    	return max;
	}
	else
	{
		if (arr[n] > max)
			max = arr[n];
		return arr_max(arr, max, n-1);
	}
}

int main(void) {
    // Disable stdout buffering
    setvbuf(stdout, NULL, _IONBF, 0);
	int arr[] = {33,2,3,11,5,6,7,8,9};
	int max = 0;

  	max = arr_max(arr, max, 8);
  	printf("\nMax is: %d\n", max);

  	return 0;
}

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