Code:

[QUOTE]#include<stdio.h>

int counter;
int fibonacci(int n)
{
    counter += 1;
    if ( n <= 2 )
        return 1;
    else
        return fibonacci(n-1) + fibonacci(n-2);
}

int main(void)
{
    int i;
    int sum ;
    for( i = 1 ; i<= 10; i++)
    {
        counter = 0;
        sum = fibonacci(i);
        printf ( "fibonacci(%d)= %d, counter= %d\n",i,sum,counter );
    }
    return 0;
}

---------- Post updated at 12:29 AM ---------- Previous update was at 12:22 AM ----------

why the counter will be zero every times in the for loop when i modify the
code " printf ( "fibonacci(%d)= %d, counter= %d\n",i,sum,counter ) "
to "printf ( "fibonacci(%d)= %d, counter= %d\n",i,fibonacci(i),counter )" !

that is i want to call the fibonacci routing in the printf function!

---------- Post updated at 12:30 AM ---------- Previous update was at 12:29 AM ----------

fibonacci(1)= 1, counter= 1
fibonacci(2)= 1, counter= 1
fibonacci(3)= 2, counter= 3
fibonacci(4)= 3, counter= 5
fibonacci(5)= 5, counter= 9
fibonacci(6)= 8, counter= 15
fibonacci(7)= 13, counter= 25
fibonacci(8)= 21, counter= 41
fibonacci(9)= 34, counter= 67
fibonacci(10)= 55, counter= 109

---------- Post updated at 12:32 AM ---------- Previous update was at 12:30 AM ----------

when the fibonacii routing called in the printf function
the result of running is
fibonacci(1)= 1, counter= 0
fibonacci(2)= 1, counter= 0
fibonacci(3)= 2, counter= 0
fibonacci(4)= 3, counter= 0
fibonacci(5)= 5, counter= 0
fibonacci(6)= 8, counter= 0
fibonacci(7)= 13, counter= 0
fibonacci(8)= 21, counter= 0
fibonacci(9)= 34, counter= 0
fibonacci(10)= 55, counter= 0