编辑代码

#include <stdio.h>

int fibonacci(int n) {
    if (n <= 0)
        return 0;
    else if (n == 1 || n == 2)
        return 1;
    else
        return fibonacci(n - 1) + fibonacci(n - 2);
}

int main() {
    int n = 6;
    int result = fibonacci(n);
    printf("The %dth Fibonacci number is: %d\n", n, result);
    return 0;
}