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

int main()
{
    printf("Enter the coefficients of the quadratic equation a, b, and c:\n");

    char *buf;
    char buffer[100];
    float cof_a;
    float cof_b;
    float cof_c;
    float *cof[3];
    cof[0] = &cof_a;
    cof[1] = &cof_b;
    cof[2] = &cof_c;

    fgets(buffer, 100, stdin);
    buf = strtok(buffer, " ");
    int i = 0;

    while (buf != NULL && i < 3) {
        *cof[i] = strtof(buf, NULL);
        buf = strtok(NULL, " ");
        i++;
    }

    float Discriminant = cof_b * cof_b - 4 * cof_a * cof_c;

    if (Discriminant < 0) {
        printf("No solution!");
        exit(-1);
    }

    if (Discriminant == 0) {
        float sqrt_1 = (-cof_b)/(2 * cof_a);
        printf("Root of the equation: %f", sqrt_1);
        exit(0);
    }

    if (Discriminant > 0) {
        float sqrt_1 = (-cof_b + sqrtf(Discriminant))/(2 * cof_a);
        float sqrt_2 = (-cof_b - sqrtf(Discriminant))/(2 * cof_a);
        printf("Roots of the equation: %f %f", sqrt_1, sqrt_2);
    }

    return 0;
}