#include<stdio.h>
int suma(int n)
{ 
	if (n==0) return 0;
	else return (n + suma(n-1));
}
void main()
{
	int n;				
	printf("Introduceti n: ");
	scanf("%d", &n);
	printf("Suma elementelor este %d\n",suma(n));
 
  	getchar();
  	int var;
  	scanf("%d", var);
}