0 like 1 dislike
9.7k views

Write a program to find roots of a quadratic equation

quadratic equation is a second order equation having a single variable. Any quadratic equation can be represented as where a, b and c are constants ( a can't be 0) and x is unknown variable. 

寫一個找二次方程的求根程式

For Example

 is a quadratic equation where a, b and c are 2, 5 and 3 respectively.

To calculate the roots of quadratic equation we can use below formula. There are two solutions of a quadratic equation.

使用下列公式:

x = (-b + sqrt(D))/(2*a)
x = (-b - sqrt(D))/(2*a)

where, D = (b*b-4*a*c) is Discriminant (判別式), which differentiate the nature of the roots of quadratic equation.

For the complex result (複數根):

realPart = -b/(2*a);
imaginaryPart =sqrt(-D)/(2*a);

Note: We have used sqrt() function to find square root which is in math.h library.

 

Example input 1:

1 2 1

Example output 1:

Roots of 1.00x^2 + 2.00x + 1.00 = 0 are real and same
x1 = x2 = -1.00

 

Example input 2:

1 -3 2

Example output 2:

Roots of 1.00x^2 + -3.00x + 2.00 = 0 are real and different
x1 = 2.00
x2 = 1.00

 

Example input 3:

1 2 2

Example output 3:

Roots of 1.00x^2 + 2.00x + 2.00 = 0 are complex and different
x1 = -1.00+1.00i
x2 = -1.00-1.00i
[Exercise] Coding (C) - asked in Chapter 5: Selection Statements by (5.2k points)
ID: 28934 - Available when: 2017-10-26 18:00 - Due to: Unlimited

reopened by | 9.7k views
0 0
We will continue this question in few days
0 0
Everything is fixed. Enjoy your time with The Judge :)
0 0
ANNNNNNNNNNNNNNNNNNNNNNNNNNGRYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY
0 0
Your code has newline at the end sometime. You learned this lesson many times!
0 0
After i correct the newline in my code,there is still wrong output.However,I had run the program in Codeblocks.The output is still as well as the result. Seeking for help.
0 0
your output lack of 1 space at line 8 when print out "Roots of ...". Please be careful with all small details when working with online judge

56 Answers

0 like 0 dislike
Hidden content!
* * ** ** * * *
*** ** ** **
int main()
{
* ****** *** * ** *** a,b,c,D = 0,x1 = 0,x2 = 0,Real = 0,imaginary = 0;
****** **** ****** ** * ** * * *** * * *** * * *** * *

****** *** * * *** ** * * ** * * ** * of %.2fx^2 + %.2fx +%.2f = 0 are",a,b,c);
** **** * * * * * ** = (b*b-4*a*c);
* * * ********** ** ** ** = (-b + sqrt(D))/(2*a);
* * * * * * * * * = (-b - sqrt(D))/(2*a);
* *** * * * (D < 0)
* ** **** * ** ** *** ***
** ***** * * * * * ** *** * ** * * complex and * * * *
** *** ** * ****** ****** * = * * * * * **** * * * * ***
** * *** * * * * * * * * * = ** ***** **** * * * ****
*** ** ****** ***** * * ** *
******* **** **** * (D > 0)
** **** * *** ** *****
** * ** ** *** ****** * * real and ** **** * **
** **** * * ** * * ** = **** ** ** **
** *** ** *** * *** ** * * = %.2f",x2);
*** ** ** ** * * **
** * * *** ** * * (D == 0)
* ** * ** * * ** **
* * * * * * **** * * * * *** * ** real and same\r\n");
*** * * * ** * ***** ** * * * = x2 = %.2f",x1);
** * * * * * **** *
}
answered by (-214 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
0 like 0 dislike
Hidden content!
* ***** * * **** **
int main(void)
{
*** ** * * *** *** *** a,b,c,D = 0,x1 = 0,x2 = 0,Real = 0,imaginary = 0;
** ** * **** * ** **** *** *** *** * * *

*** * * ** * ** * * * **** * of %.2fx^2 + %.2fx +%.2f = 0 *** *** * *
** **** * * **** = (b*b-4*a*c);
* ** ** * ** ** ** ** = (-b + sqrt(D))/(2*a);
**** ** * * * *** = (-b - sqrt(D))/(2*a);
**** * **** ***** * **** * * = -b/(2*a);
** ** ** * ** *** **** * = sqrt(-D)/(2*a);
** ** * ** * * *** * * (D < 0)
* * * * **** * **
** * * ** ** ******* **** * * * * * * * complex and **** *
* ** **** ** *** ** **** ** * = * ** **** * ***
** * *** ** **** *** * * * *** = * ** ** ***** *
* ** ** ** * * **** *
* * ** * **** * * (D > 0)
* * * ** * ** * * * ** *
* ** *** ** **** ** * *** ** * ** real and * * * *** *
* ** ** ** *** ** **** * **** *** = * ** * *
* * *** * * * *** *** *** = %.2f",x2);
*** * * *** * ** *
* * * * ***** * ** **** * * (D == 0)
***** *** ** * *
** * ** * ***** **** ** **** * real and same\r\n");
* *** **** ** * **** **** * * = x2 = %.2f",x1);
* * * * * **
}
answered by (-214 points)
0 0
prog.c: In function 'main':
prog.c:9:16: warning: implicit declaration of function 'sqrt' [-Wimplicit-function-declaration]
     x1 = (-b + sqrt(D))/(2*a);
                ^~~~
prog.c:9:16: warning: incompatible implicit declaration of built-in function 'sqrt'
prog.c:9:16: note: include '<math.h>' or provide a declaration of 'sqrt'
0 like 0 dislike
Hidden content!
*** ** * ** * *
# * *** **** *
int main()
{

* * ******* ** * * ** * *** ** * ** * * * *
* * ** * * ** ** *** ******** * * ** %f * * **** ** * ** ** * ****
****** ** * ** * ** * = (b*b-4*a*c);
****** ** *** ** = (-b + sqrt(D))/(2*a);
**** ** ** * *** * ** = (-b - sqrt(D))/(2*a);
*** ** * ** * * * ** *** ** *
* * * ******* *** ***
* * **** ** ** ** * * * ** *** * **** ** ** ** = -b/(2*a);
** **** ** ***** * * ** * *** * ** ** *** * * *** * * ** =sqrt(-D)/(2*a);
* *** * *** ** * * * *** * * * * * **** *** ** * ** * ** * * of %.2fx^2 + %.2fx + %.2f = 0 are complex and * **** * ** *** *
**** * ** *** ****** * * *** *** * * * * ** **** * * ** = %.2f+%.2fi\n", realPart,imaginaryPart);
*** * **** ** * * *** ** *** *** ***** ** * * * * * = %.2f+%.2fi", * * ** *
** ***** *** * ** *** *** *
* **** * *** ** * ** *** if(D == 0)
* **** * *** * * *

** * **** ******** **** ** ** * *** * * *** of %.2fx^2 + %.2fx + %.2f = 0 are real and **** ** * * *
**** *** **** * * **** ** * * * * ** *** ** = x2 = %.2f", x1);
* * * ****** * *** *
* *** * ** ** * * * ***** **
* *** ** ********* *** * *** *
* * *** *** ** *** * * * * ** *** * * ** **** * of %.2fx^2 + %.2fx + %.2f = 0 are real and * ** * * *** *
* ** *** ** *** * ** ***** * * ** * ** * ** * *** * ** ** = %.2f\n", x1);
** ** * *** *** * * * * * ** * ** ** * * ** *** * = %.2f", x2);
* * * * **** *** ** * *
* ** ** * **** ** * *** 0;

}
answered by (-281 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
Case 3: Correct output
0 like 0 dislike
Hidden content!
*** ** ***** * * *** *
# * * * ** * *
int main()
{

* ** * *** * ** * ** ** * *
** ***** ** * * *** * * ** %f *** *** * ** **** * * **
** * * * ** * ** ** = (b*b-4*a*c);
* ** * *** ** * *** * = (-b + sqrt(D))/(2*a);
*** * * * * ** * * = (-b - sqrt(D))/(2*a);
* * * * ***** * * * *****
** * * * ****** * ** **
* ***** ** ** * ***** * * **** **** * * ** ** = -b/(2*a);
* ***** * * *** * ***** * ** *** *** **** * * * =sqrt(-D)/(2*a);
** * * ** * ** ** ** * ** * *** **** * **** *** ** ** of %.2fx^2 + %.2fx + %.2f = 0 are complex and * * * * **
** * * ** * *** * * * ** * *** * * ** ** * = -%.2f+%.2fi\n", realPart,imaginaryPart);
* ** ******** * ***** ****** * *** *** * * * *** = -%.2f+%.2fi", **** ******
* * * * * * * * *
* * *** * * * * * if(D == 0)
** * *** ** * ******

** * **** ***** * * * * *** *** * ** ** * * ** ** of %.2fx^2 + %.2fx + %.2f = 0 are real and * *** * **
* **** * * ** * ***** * * * ** * **** ** = x2 = %.2f", x1);
* * ** * * ** **
* * * * *** * * ** ** * **
* * * ****** **
* * ** *** ** **** *** * **** ** *** ** * ** * of %.2fx^2 + %.2fx + %.2f = 0 are real and ** **** * * ** * *
* *** * * * * * * **** **** ** * * *** **** * * * ** ******** = %.2f\n", x1);
* ** * ** ** * * ** ** * **** * ** ** *** ** * ** **** = %.2f", x2);
***** ** * * * * ***
*** * * * * ** ******** *** 0;

}
answered by (-281 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>
#include<stdlib.h>
#include<math.h>

int main(void)
{
* * *** * ***** ** *** * a, b, c, D, spD, x1, x2;
    
* *** ** *** *** ** ** * ** * * * * %lf %lf", &a, &b ,&c)==3)
    {
* ** * ** **** * ** * * * * **** * * * * - (4*a*c);
* * * ** **** * ** *** * ** ** ** * * ** ****
* * ** * * *** * **** * ** *** ** ** * **** ***** ****
** * ****** ** **** * **** *** * * * * * **
**** * *** *** *** ****** * * * ** **** ** * *** ** ******* ** *** ****** **
* * ** * * ** * ** * * * ** **** * * ** **** * * ** * ** (-b+spD)/(2*a);
***** * ** * *** * ** ** ****** * * ****** * ** *** *** * ***** (-b-spD)/(2*a);
*** ** * * * * * ** * ** ** **** ** * * * ** *** * (x1==x2){
** * * * * *** ** ******* ****** ** * *** ** * * * * ** * * *** ****** * ** * * * * ** * *** of %.2lfx^2 + %.2lfx + %.2lf = 0 are real and same\nx1 = x2 = %.2lf",a,b,c,x1);
* ** ** * * * * * * * * * ** * * * * * * * **** * *
* * *** * ** ***** **** * * * ** * *** * ** **** * * **** ** {
****** *** * ** ***** * * *** ** ** * * ** **** * **** ****** ** * ** * ** ** * **** * ** ** **** ** * * of %.2lfx^2 + %.2lfx + %.2lf = 0 are real and different\nx1 = %.2lf\nx2 = %.2lf",a,b,c,x1,x2);
** * * ** * ***** **** * ***** ** * * * * **** * * ***
** ** *** ** * * * ** *** ** ** ** *** *** *
** ** * ****** ** * *** ** ** ** * * if(D==0)
* ***** ** ** ** *** * *** ** *** * *****
* * **** ****** *** ** *** * * **** ** * * ** *** **** * **** ** * * (-b)/(2*a);
** * ** **** * * ** * * ** *** *** *** ** *** *** * ** * * ** ***
** * * * *** *** * ** *** * * * * * ** ** * * **** *
**** ** ** ***** * * ** * * ** * *** * ***** * ** * **** ** ** of %.2lfx^2 + %.2lfx + %.2lf = 0 are real and same\nx1 = x2 = %.2lf",a,b,c,x1);
** * * * ****** *** * * * ** ** * * * * ** *** * *** **
* ** *** ** * * * *** * * *** ** * *** *** **** ********* *
*** * ** ***** *** ***** ** ** ** ** * * ****** * ***** * * *** **
* ** * * ** ** *** ** ** *** * * * * * * *** *** * * * *
* * * *** ** * *** * * * * ** * * * * * *** *** * ** * * *** ** of %.2lfx^2 + %.2lfx + %.2lf = 0 are real and same\nx1 = x2 = %.2lf",a,b,c,x1);
** * ** ** ** * * *** * *** ** * * * *** * ** * * * ***** ** ***
* * * * * * *** *** *** * ** * * ** *
** ** * * ******** * * **** * ****** **** ** if(D<0)
** ** * * ***** ** * * **** *** **** * **** *    
** * *** *** ** * ***** * ** * ** *** * ** * * **** ** * * ***** ** (-b)/(2*a);
** * * * * *** *** *** ** *** * * * * ** *** ** ***** * * ****** -x1;
** * * * ****** ** **** ** * ** * * *** ** * ** ** of %.2lfx^2 + %.2lfx + %.2lf = 0 are complex and different\nx1 = %.2lf+%.2lfi\nx2 = %.2lf%.2lfi",a,b,c,x1,x2,x1,x1);
******* * * * ** * *** ** * ** **** **
****** * * * ** ***
    
*** **** * * * * ** * * * ** * ** * *** ** *
* ** * * *** * *** *** * * * 0;
}
answered by (-249 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include<stdlib.h>
#include<math.h>

int main(void)
{
* * * ** * **** * * ** * a, b, c, D, spD, x1, x2;
    
******** * * ** ** * ** *** *** ****** %lf %lf", &a, &b ,&c)==3)
    {
* *** ** * ** ** ** *** ***** * ** ** ** ** - (4*a*c);
*** * * * ** ** * ** * * * * ** ***
**** * * ** ** * * * * * ** * * ** **
**** * *** * * *** ******** *** * **** * * **
** * * * * * * * * * * * * * *** * *** * * *** * * ** * * * * *
* ** **** **** ********* *** ** ** * **** *** * *** * *** (-b+spD)/(2*a);
* * * * *** * * * ** * *** ***** * ****** * ** * *** ***** *** (-b-spD)/(2*a);
* ** * *** *** * * ****** ** ** * ***** *** * * * ***** * * ****** (x1==x2){
* * ** * * *** * * ** ** * **** * ***** * * *** ** * **** * * ** * * ** *** * ** * * of %.2lfx^2 + %.2lfx + %.2lf = 0 are real and same\nx1 = x2 = %.2lf",a,b,c,x1);
** ** * *** *** ***** * * ** * * * * * ** * * * *** * * * **
* * ** ** * * **** ** * * ** ** * * ** * ** ** ** * * * {
* * * * *** * * * **** * ** ** ******** *** ** *** * ** * ** * * *** ******* ** ***** * ** *** of %.2lfx^2 + %.2lfx + %.2lf = 0 are real and different\nx1 = %.2lf\nx2 = %.2lf",a,b,c,x1,x2);
** * * *** *** **** * *** * *** * ** * * ** ** ** * **
*** * * ****** * ** * * * * * *** *** *
* * * * **** * * * * * * ** * * ******* if(D==0)
* * *** * ** ** ** *** * ** * ** ** ** * *
** * *** ** *** **** * *** * **** * ** * * * *** ** ***** *** * (-b)/(2*a);
**** * ************ ** ** ** * ** ** ** * ** **** * *** ****** **** * ** *****
** *** * *** * ******** ******* ** ** *** **** **** * ** * * *
* * * ****** * ** * * * * * * * * ***** * *** * ** * ** ***** * * * ** * * ****** of %.2lfx^2 + %.2lfx + %.2lf = 0 are real and same\nx1 = x2 = %.2lf",a,b,c,x1);
* * * *** ** ** * * ** * * * * ******** ** ** * ** *
* ** * * * *** *** * * * ** **** * * *** * * ** * ********* *** *
*** **** **** ** * *** *** * ** * *** * ** * ** * **** ** *
*** ** *********** * ***** *** * * **** **** *** *** * ***
****** **** **** ** *** * ** * * ** ** * * * * * * * * * *** * ***** ** * * *** * ** * ** of %.2lfx^2 + %.2lfx + %.2lf = 0 are real and same\nx1 = x2 = %.2lf",a,b,c,x1);
** ******** ** * ** * ** * ** *** ** *** ** *** * * * ** ** *
** * * ** * ** **** ** ** *** ** * * *** *
** * **** *** *** * * *** ** ** ** ** ** ** *** ** **** if(D<0)
* ***** * * ***** *** **** ** **** * ***** ** **    
* *** ****** ** * *** ******* ***** * * ** **** * * * *** * ** (-b)/(2*a);
* * ** * *** * ****** ** * * ** *** * ** * ** *** * * -x1;
** * ** * * ** *** *** ** ** *** ** *** ** ******** * ** * *** * ** ** * of %.2lfx^2 + %.2lfx + %.2lf = 0 are complex and different\nx1 = %.2lf+%.2lfi\nx2 = %.2lf%.2lfi",a,b,c,x1,x2,x1,x1);
** * * * ** ** ** * ****** ** * * *****
** * * * *** * * *** * *
    
* *** * * *** ** ** *** ** **** * *** * ***
* ** ** ****** *** ***** 0;
}
answered by (-249 points)
0 0
prog.c: In function 'main':
prog.c:8:11: warning: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
     while(scanf("%lf %lf %lf", &a, &b ,&c)==3)
           ^~~~~
prog.c:8:11: warning: incompatible implicit declaration of built-in function 'scanf'
prog.c:8:11: note: include '<stdio.h>' or provide a declaration of 'scanf'
prog.c:18:17: warning: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
                 printf("Roots of %.2lfx^2 + %.2lfx + %.2lf = 0 are real and same\nx1 = x2 = %.2lf",a,b,c,x1);
                 ^~~~~~
prog.c:18:17: warning: incompatible implicit declaration of built-in function 'printf'
prog.c:18:17: note: include '<stdio.h>' or provide a declaration of 'printf'
prog.c:21:17: warning: incompatible implicit declaration of built-in function 'printf'
                 printf("Roots of %.2lfx^2 + %.2lfx + %.2lf = 0 are real and different\nx1 = %.2lf\nx2 = %.2lf",a,b,c,x1,x2);
                 ^~~~~~
prog.c:21:17: note: include '<stdio.h>' or provide a declaration of 'printf'
prog.c:29:13: warning: incompatible implicit declaration of built-in function 'printf'
             printf("Roots of %.2lfx^2 + %.2lfx + %.2lf = 0 are real and same\nx1 = x2 = %.2lf",a,b,c,x1);
             ^~~~~~
prog.c:29:13: note: include '<stdio.h>' or provide a declaration of 'printf'
prog.c:34:13: warning: incompatible implicit declaration of built-in function 'printf'
             printf("Roots of %.2lfx^2 + %.2lfx + %.2lf = 0 are real and same\nx1 = x2 = %.2lf",a,b,c,x1);
             ^~~~~~
prog.c:34:13: note: include '<stdio.h>' or provide a declaration of 'printf'
prog.c:41:13: warning: incompatible implicit declaration of built-in function 'printf'
             printf("Roots of %.2lfx^2 + %.2lfx + %.2lf = 0 are complex and different\nx1 = %.2lf+%.2lfi\nx2 = %.2lf%.2lfi",a,b,c,x1,x2,x1,x1);
             ^~~~~~
prog.c:41:13: note: include '<stdio.h>' or provide a declaration of 'printf'
0 like 0 dislike
Hidden content!
#include<stdio.h>
#include<stdlib.h>
#include<math.h>

int main(void)
{
** * * **** * * ******* ***** a, b, c, D, spD, x1, x2;
    
* ** **** * * **** * *** * ** %lf %lf", &a, &b ,&c)==3)
    {
*** * * * *** ** * * ** * * ** ** ** * - (4*a*c);
* * * * ** ** * *** * ** * *** ******* ** ****
* * ******* * * * * ** * * * * ** * * ** ****** ** **
* ****** *** *** **** ** * *** * ** * *
** ** * ** * * * * ** * * * * * * ** * * ** ** * * ***** *
* *** * * * * * *** * ** * * ** ******** *** * *** *** * * ** * * (-b+spD)/(2*a);
* ** * ** * * * * ****** ** *** *** * * ** * * ** **** * *** ** ** ** (-b-spD)/(2*a);
**** * *** * *** **** ***** * * ** ******* * * * * (x1==x2){
** * * *** * * **** * ***** * * * ** ** * ******* ** ****** * * ** **** * ****** * * * * * of %.2lfx^2 + %.2lfx + %.2lf = 0 are real and same\nx1 = x2 = %.2lf\n",a,b,c,x1);
* ** *** ** ** * * * ** ** * * ** ** *** **** * *** *** **
*** * *** * * ** *** *** * ** * **** ** ****** * ** *** * *** ** * {
** * * **** **** **** **** ******* ** * * ** *** * ** ***** *** * ****** * * *** *** of %.2lfx^2 + %.2lfx + %.2lf = 0 are real and different\nx1 = %.2lf\nx2 = %.2lf\n",a,b,c,x1,x2);
* ** *** *** * ** ** ** * **** * * ** * *** **** * ** ** *** *** ** *
** *** ** **** * * * * * ** ** *
* * *** ** **** * * ** * *** **** * *** if(D==0)
*** * * ****** ***** * ** ** * * *
**** ****** ****** * * ** *** * * * * * * ** * * ** ** ** ** * *** ** * * (-b)/(2*a);
* * * * **** ** ** * ****** * *** * * ** * * * ***** * * ** *
** *** ** ** ******* ** ***** *** * * * *** * ***** * ** * *** *** ***
* * * ** ****** ** *** * ** * *** * * * ** **** *** * ** * * * ** * of %.2lfx^2 + %.2lfx + %.2lf = 0 are real and same\nx1 = x2 = %.2lf\n",a,b,c,x1);
** *** ********* ** * * * ** * ** * * ** * * *** **** ****** ******** ****
* * * ** *** ******* *** ** ** ** *** ** ** *** * * ** * ** * ** *
* * * ** ** *** ** * *** ** *** ** ** * *** ** * *** * ***
* *** ** * ***** ** *** * *** * * ** ** ** ** * ** * * ** * * ** *
** * * ** * ** ** ***** * ** * * * * ***** * * * * * * *** * ** * * **** of %.2lfx^2 + %.2lfx + %.2lf = 0 are real and same\nx1 = x2 = %.2lf\n",a,b,c,x1);
*** ** *** * *** *** *** * * ** * * * ** ***** ** ***** *** * **
** * * ** ** ** * ** * ** * *** * *
* * ****** ** ***** * ** **** * * * * * **** * if(D<0)
* * * ** **** * * * * *** * *****    
*** *** ** ***** * * ** **** * ******* ** * * **** * * * **** ** ** (-b)/(2*a);
* ** * ***** ** * *** ** ** *** * ** * ** ** * *** -x1;
** ** * *** * ** *** * * * * ** ***** * *** *** * * ****** ***** ** *** * *** * * of %.2lfx^2 + %.2lfx + %.2lf = 0 are complex and different\nx1 = %.2lf+%.2lfi\nx2 = %.2lf%.2lfi",a,b,c,x1,x2,x1,x1);
* ** * * ** ****** * * * * * * * *
* * * * **** ** ***
    
* *** * * **** * **** *** ** ** *** ** **
**** * ** * ** ** *** ** 0;
}
answered by (-249 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Correct output
Case 3: Wrong output
0 like 0 dislike
Hidden content!
* *** * *
** * *** *******
* * * *** * *
int *
* **** * *** ******** * **** a, b, c, D, spD, x1, x2;
***** * *** *** ****
* * *** * ******* ** ** * %lf * ** *** &b * * * *
* * ** *   {
* * * **** ** * ** ** * ** * * ** - (4*a*c);
* * ******* * ** ******* * ** ****** * ***
** ** **       ******* *
*       {
**** * *** * *** ** * * ** * ** * * * ** *   * * *
* * ** * ** *** ** * * * * ** ** *** ** * **   x1= * * * *** *
* ** * **** * ** * ** ** ******** ** * * * * *   x2= * ***** *
*** * ** * ***** ** ** * ** * ****** ** * * ***   if (x1==x2){
** ****** * * *** ******* * * *** ** *** ********* *******       * * ** * ** * of %.2lfx^2 + %.2lfx + %.2lf = 0 are real and same\nx1 = x2 = * *** * *** ***
** * ** ** * * * ** ** * *** ** * * * * * ***** *********
* **** ** *** ********* ******* ** *** *** ** ** **   else {
* * ** ** *** ** * * * * * ** ** * ** ** ******* ** * *** ***** * *   *** ** * of %.2lfx^2 + %.2lfx + %.2lf = 0 are real and * **** * = %.2lf\nx2 = ** ***** * * *
**** *** * * *** ** * * * * * * ** * ** * ** * *** }
**** * **** * ** ***** * * **
** * ** * *** * * * * * * *** * * * * * if(D==0)
* **** * * *   {
*** * **** ****** * * ** *** *** *** * ** * * ** * * * * *
*** **** * * * **** ***** * * * ** ** ** ** * * * ** * *** ** **
* **   ***       {
* * **** ** * * * ** * ** ** *** ***** ** * *** * * * ********* ** ** ** *** ** of %.2lfx^2 + %.2lfx + %.2lf = 0 are real and same\nx1 = x2 = * * * ** * ** *
*** ** ** * * *** **** ** *** * * * *** ** * * * **** ** ***
** * * * ** * * * ******** * ** * * * ** * ** **** ***
*** ** ** * * * ** * ** * ** * *** ** ******* *
***           {
** ******* * *** * * * ** * * * ** ** **** * * ** * * ** * * * *** of %.2lfx^2 + %.2lfx + %.2lf = 0 are real and same\nx1 = x2 = ** * *** * ** * **
* ********* ** *** * * * ** **** * * * ** *** * * *** * * * *
** * ** * ** * * ** * * * *** * ** ***** **** *
**** *** * * * * ** *** * * *** *** **** * ** *** * ** *
* * *       ******* *  
            x1= * ** **
* **     * ****** * * * **** *** x2= -x1;
** ** ** * ** * *** ** *** * * * * ** * * **** * ** * ** **** * * * ****** * ** of %.2lfx^2 + %.2lfx + %.2lf = 0 are complex and ***** = * *** = *** * *** * * **** **
***** * * **** * * * * * * * * *** * *
* ** *** * * * **
* * * * * ** ** *
** * * * * * ***** * * ** * ** ** ***
* *** * * * **** *** * 0;
}
answered by (-249 points)
0 0
/tmp/ccvUqbC2.o: In function `main':
prog.c:(.text+0x6e): undefined reference to `sqrt'
collect2: error: ld returned 1 exit status
0 0
-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
0 0
-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Correct output
Case 3: Wrong output
0 like 0 dislike
Hidden content!
*** ** **
** * ** * ***
int main(){
*** ** * * * * ************ a,b,c;
* * *** * * ** * * ** * * D;
*** * ** **** * * * * * *** * * %lf * * *** * *** ******
* *** **** ******* ** * * ****** - 4*a*c ;

* * ** **** ** * ** * ** **** of %.2fx^2 + %.2fx + %.2f = 0 *** ** *

* * * ** ****** ** * * * ******
********** ** * **** ** * * **** *** * * **** * * **** *** * ** complex and ** * * *
* ** ** *** * **** * ***** * * *** * ** * ** = ** *** * ** (-b) / (2*a) ), sqrt(-D) / (2*a) );
******* ** ** *** * ** * * **** *** *** * * ***** * *** ******* *** ** = *** * ** ** (-b) / (2*a) ), sqrt(-D) / (2*a) );
**** * ** * * * *******
*** * * *** * *** * if(D==0){
**** * **** *** * * ** * * * * * * * * **** *** real and same\n");
* ** * ** ** ** ** *** * * ** ** = x2 = %.2f",( (-b) / (2*a) ) );
* ** * * * *** *
** ****** * * * ******* * * ** ** *
* * * *** * * ** *** * * * * *** ** * *** ** ** *** real and * * ** * * *
****** ** * ***** * ** * * * ****** * * *** * * = %.2f\n",( ((-b) + sqrt(D)) / (2*a) ) );
***** **** * **** * * * * *** ** ** ** ** * ** * = %.2f", ( ((-b) - sqrt(D)) / (2*a) ) );
** * * ** * *** **** *

** * ****** **** ** 0;
}
answered by (-116 points)
0 0
/tmp/cc8OPUJA.o: In function `main':
prog.c:(.text+0x51): undefined reference to `pow'
prog.c:(.text+0xdd): undefined reference to `sqrt'
prog.c:(.text+0x13f): undefined reference to `sqrt'
prog.c:(.text+0x213): undefined reference to `sqrt'
prog.c:(.text+0x26a): undefined reference to `sqrt'
collect2: error: ld returned 1 exit status
0 0
/tmp/ccLeUfQ5.o: In function `main':
prog.c:(.text+0x51): undefined reference to `pow'
prog.c:(.text+0xdd): undefined reference to `sqrt'
prog.c:(.text+0x13f): undefined reference to `sqrt'
prog.c:(.text+0x213): undefined reference to `sqrt'
prog.c:(.text+0x26a): undefined reference to `sqrt'
collect2: error: ld returned 1 exit status
0 0
-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include ** * ***
#include <math.h>
int main()
{
* ** *** * * ** * a,b,c,x,y,d;
* ** * * * ** ** * * ** ****** * %f ** *** * * * * * * **
* * ****** ** *** * *
* *** *** * ** ** * * * * *
*** * * *** * ***** ** *** *
* ** ** ** * * * ****** ** (d>0){
** * *** **** * ** *** of %.2fx^2 + %.2fx + %.2f = 0 are real and * * **
* ** * * * *** *** ** * * = %.2f\nx2 = %.2f",x,y);
** ** * *** * * * *
* * ******* ** * * * *** * if (d==0){
* *** * * * * **** **** ** of %.2fx^2 + %.2fx + %.2f = 0 are real and * * * *** *
** ** ****** **** ** ** ** ** ** * = x2 = %.2f",x);
* * ** ** * * ** * **
**** * **** ** ** * *
** *** ** * * * ***** *
** * ** *** *** ** * *** * * * * * of %.2fx^2 + %.2fx + %.2f = 0 are complex and * * * * * *
* * *** ** ****** * * ** * * **
* *** ** * ** ** * ** * * = ** * * *
** *** * ***** * ** *** * ** = **** ******
**** * * * ** *** *

* * * ** *** * *** ** *** 0;
}
answered by (54 points)
1 0
/tmp/ccheVQNV.o: In function `main':
prog.c:(.text+0x87): undefined reference to `sqrt'
prog.c:(.text+0xd5): undefined reference to `sqrt'
prog.c:(.text+0x21f): undefined reference to `sqrt'
collect2: error: ld returned 1 exit status
0 0
/tmp/ccJPGNPl.o: In function `main':
prog.c:(.text+0x87): undefined reference to `sqrt'
prog.c:(.text+0xd5): undefined reference to `sqrt'
prog.c:(.text+0x21f): undefined reference to `sqrt'
collect2: error: ld returned 1 exit status
0 0
-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.70.130.167
©2016-2025

No related questions found

12,783 questions
183,442 answers
172,219 comments
4,824 users