C_CPP/01_ENV/func1.c

#include <stdio.h>
#include <math.h>

int func1(int x) {
    return (x-2)*(x-4)*(x-11)*(x-18);
}

int func2(int x) {
    return pow(x, 4) - 5 * pow(x, 3) + pow(x, 2) + 5;
}

void recurse1(int count) {
    if(count >= 0) {
         printf(" %d", func2(count));
         recurse1(count - 1);
    }
}


void recurse2(int count) {
    if(count >= 0) {
         recurse1(count - 1);
         printf(" %d", func2(count));
    }
}