URI Online Judge | 1036 Solution | Bhaskara’s Formula

URI Online Judge solve 1036

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Bhaskara’s Formula

Adapted by Neilor Tonin, URI  Brazil | Timelimit: 1

Read 3 floating-point numbers. After, print the roots of bhaskara’s formula. If it’s impossible to calculate the roots because a division by zero or a square root of a negative number, presents the message “Impossivel calcular”.

Input

Read 3 floating-point numbers A, B and C.

Output

Print the result with 5 digits after the decimal point or the message if it is impossible to calculate.

Input SamplesOutput Samples
10.0 20.1 5.1R1 = -0.29788
R2 = -1.71212
0.0 20.0 5.0Impossivel calcular
10.3 203.0 5.0R1 = -0.02466
R2 = -19.68408
10.0 3.0 5.0Impossivel calcular

Solve Code

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


int main()
{
    float a,b,c,m,n,p;
    scanf("%f%f%f",&a,&b,&c);
    m=(b*b)-(4*a*c);
    if(m<0)
    {
        printf("Impossivel calcular\n");
    }
    else if (a == 0)
    {
        printf("Impossivel calcular\n");
    }
    else
    {
        n=((-b) + sqrt(m))/(a+a);
        p=((-b) - sqrt(m))/(a+a);
        printf("R1 = %.5f\n",n);
        printf("R2 = %.5f\n",p);


    }
    return 0;
}

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