write a recursive function to calculate the sum of the first 25 natural numbers

solution 

	#include <stdio.h>
	#include <stdlib.h>
	#include <ctype.h>
	#include <math.h>
	#include <stdbool.h>
	int sum25()
	{
	static int sum=0;
	static int t=25;
	if(t>=0)
	{
	sum+=t;
	t--;
	sum25();
	}
	return sum;
	}
	int main()
	{
	printf("%d",sum25());
	return 0;
	}

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