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

struct float_tuple
{
    float x;
    float y;
};

static int test1 (int a, int b, int c, int x);
static int test2 (int a, int b, int c, int x);
static struct float_tuple* test3 (float a, float b, float c);
static int test4 (float a, float b, float c);
static int test5 (int a, int b);
static int test6 (int a, int b);
static int test7 (int a, int b, int c);
static int test8 (int a, int b, int c);
static int test9 (char a);
static int test10 (char a);
static int test11 (char a);
static char test12 (char a);

int main (int argc, char* argv[])
{
    int a,b,c,x;
    char d,e;

    int quad, quadisZero, realRoots, bigger, smaller, biggestOf3, smallestOf3;
    int isADigit, isAlphabetic, digitCharToInt;

    char lowerToUpper;

    struct float_tuple* quadratic_solver;

    sscanf(argv[0],"%d",&a);
    sscanf(argv[1],"%d",&b);
    sscanf(argv[2],"%d",&c);
    sscanf(argv[3],"%d",&x);
    sscanf(argv[4],"%c",&d);
    sscanf(argv[5],"%c",&e);


    quad = test1(a, b, c, x);
    quadisZero = test2(a, b, c, x);
    quadratic_solver = test3((float)a, (float)b, (float)c);
    realRoots = test4((float)a, (float)b, (float)c);
    bigger = test5(a, b);
    smaller = test6(a, b);
    biggestOf3 = test7(a, b, c);
    smallestOf3 = test8(a, b, c);
    isADigit = test9(d);
    isAlphabetic = test10(d);
    digitCharToInt = test11(d);
    lowerToUpper = test12(e);
}

static int test1 (int a, int b, int c, int x) { return ((a * x * x) + (b * x) + c); }
static int test2 (int a, int b, int c, int x) { return !test1(a,b,c,x); }
static struct float_tuple* test3 (float a, float b, float c)
{
    struct float_tuple* value = (struct float_tuple*)malloc(sizeof(struct float_tuple));

    float root = sqrt((b*b) - 4 * a * c);

    value->x = ((-b + root)/(2 * a));

    value->y = ((-b - root)/(2 * a));

    return value;

}
static int test4 (float a, float b, float c)
{
        return (((b*b) - 4 * a * c) >= 0.0);
}
static int test5 (int a, int b) { return ((a > b) ? a : b); }
static int test6 (int a, int b) { return ((a < b) ? a : b); }
static int test7 (int a, int b, int c) { return test5(test5(a,b),c); }
static int test8 (int a, int b, int c) { return test6(test6(a,b),c); }
static int test9 (char a) { return ((((int)'0') <= (int)a) && ((int)a <= (int)'9')); }
static int test10 (char a) { return ((((int)'a') <= (int)a) && ((int)a <= (int)'Z')); }
static int test11 (char a) { return (test9(a) ? atoi(&a) : 0); }
static char test12 (char a) { return (((((int)'a') <= (int)a) && ((int)a <= (int)'z')) ? ((char)(26 + (int)a)) : 'A'); }