10-05: A program that reads the exams result and displays the percentages.

Question

Write a program that reads the number of students who passed and failed in the exams and displays the percentages. For example:

輸入及格與不及格人數
輸出及格與不及格百分數

Example input:

12 8

Example output:

Success Ratio: 60%
Fail Ratio: 40%

Answer 1

Hidden content!
#include *   ** ******** *

int main(){
*  *  **  *   ****   ****** a,b;
      ***  ** ******* **  *  passed,failed;
 *  *  * *    * **   ****  **** total;
*** *  *****     ***  ** 
  ***** * ** *** * *     *  ** **  * * * * * *    **   **  *
  * *  * * ****** ***  ** * *  * = a+b;
          *****   *** * *  *  **   = (float)a/total*100;
* *  * ***   * * *** * ** * * * = (float)b/total*100;
 **  * **    **   * *    
***   * ** ***** * *** **  * **  *** **  * Ratio: %d%%\n", passed);
**   ***   * **** **  **   * * * **  *  **   Ratio:     *   * *****
* * * *     *  ** **  *  
*    * ** * **    * *** ***    0;
}

Comments

Case 0: Correct output
Case 1: Correct output

Answer 2

Hidden content!
#include <stdio.h>

int main(){
  ** * **** ***      *    * * a,b;
*  ****    *  ** **  *  **       passed,failed;
 * ***   ***   * *  ****    * * total;
** *   ****   * ** *  
***  * *    **   * **   * ****  * **     ** * * ***  ** ****  *  
 ** *  **** ** **** **   ******   = a+b;
*** **  *   * **** *** **   **    *  = (float)a/total*100;
** * *  ** *    * * ** * ** *  = (float)b/total*100;
*  * **** * ** * *** * **
 * ***   *  **    *** * ** ** ** * ***  * * * *  passed);
     * ****  *  ** * *** ***   *** ** *  **   *** 
  * **  **** * *    * *   
** * *  *  ** ****  * * * ** ** * * 0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output

Answer 3

Hidden content!
#include <stdio.h>

int main(){
******  *   *****     *   a,b;
***   *****   * * * *  *   passed,failed;
*****  **  **** **   * *** * total;
* **     *  ***  *** *  ****
 ** * *  *       ***  * *    * *      * *** *       ******* 
**** **    *  *   * * * *  = a+b;
 * ****    *   * **   * *** ** * = (float)a/total*100;
   ** * **  ** * **     **  = (float)b/total*100;
*** * *  * ** * *  *** ** **
***  ****  *** *  *      * *   ** ***       *  * *** *  passed);
***        *    ***     ***** *  *   *****  **  ** * ***    
   *  *  ** *   ** *     
* *  * ****** *  *** ****   * 0;
}

Comments

prog.c: In function 'main':
prog.c:13:16: warning: unknown conversion type character 0xa in format [-Wformat=]
     printf("%d%\n", passed);
                ^
prog.c:14:16: warning: unknown conversion type character 0xa in format [-Wformat=]
     printf("%d%\n",failed);
                ^

Answer 4

Hidden content!
#include <stdio.h>

int main(){
*** **  * ***  *      *  **  *  a,b;
***    * *** **** ****  * * **  * passed,failed;
 * **   ****     *  ***       total;
  * **   * *  ** * *   *****
   ** ** ** ***  *      **  * *  *** * * *   * *   ****  *  * 
****     * ****  *  **  *  *   = a+b;
*   ** ** * *  **** *** * *  = (float)a/total*100;
* ****    * **  **** *  *   = (float)b/total*100;
* *  * *   **  * ****  *   
 *  * * **** *    ** **     **       **** * **       passed);
  * * ***  * *** * *  * * * ****  *****  * * ***
** ***  ********* * **** **   
  *    *   ***  *   ** **   * 0;
}

Comments

prog.c: In function 'main':
prog.c:13:16: warning: unknown conversion type character 0xa in format [-Wformat=]
     printf("%g%\n", passed);
                ^
prog.c:14:16: warning: unknown conversion type character 0xa in format [-Wformat=]
     printf("%g%\n",failed);
                ^

Answer 5

Hidden content!
#include <stdio.h>
#include  **** * *  **

int main()
{
 ***    * *  ********  *** *  pass,fail;

**** * *** **      * * *   **  **  *  *     * *  * *  *  **  * * ****       *  

****  * * *** ********** ***   *  **   **    Ratio:    *      * ** ****   
 ** ** *  *  **** *       ****** * *  Ratio:  * ****** *    **   *  ****  

 * ***  * *** **  *  *   ** ** ***  0;
}

Comments

prog.c: In function 'main':
prog.c:9:13: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'float *' [-Wformat=]
     scanf("%d %d",&pass,&fail);
             ^
prog.c:9:16: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'float *' [-Wformat=]
     scanf("%d %d",&pass,&fail);
                ^

---

Case 0: Correct output
Case 1: Correct output

---

Case 0: Correct output
Case 1: Correct output

Answer 6

Hidden content!
  * **    * * ***   
int main()
{
 *  **   *   * ** ******  *   * *  a,b;
  *******  ***  *  ** *  ** ** *** *  *******  * *   ***   *
*  * * ***  *  * * ***   ****        *  Ratio:  **   ***  ***** *
  * * ** **  * * *  *******  **  **  Ratio: %g%%",(b/(a+b))*100);
}

Comments

Case 0: Correct output
Case 1: Correct output

Answer 7

Hidden content!
*  ** *  ******   * 
int main(void)
{
* **    ***  * *  ** ****** *  a, b,success, fail ;
 *  *****      ***  ** ** *    ***** ***  ******   * *     *  ****
 * * ***     * ***   * ********* *  * ****  *  
*  * ** ***  *  ****  * *****  *  *  * * *
*  **      ** **** ** **   *** *   ** * **** Ratio: %g%%\nFail Ratio:   **  ** success, fail);
** * ****** *    **** **** *  **  0;
}

Comments

Case 0: Correct output
Case 1: Correct output

Answer 8

Hidden content!
#include <stdio.h>

int main()

{
    *  **    ** *   ***  * a,b;
 *   *** ***     ****  * * *  ** *             *  * **   *  *   ***

*     * *    **  ***   *  *   ***  ** * ** Ratio: *  ** *****    *  ** 
   * * * ***   *      *       * **  *    **** Ratio: *  **    * **** * 

    ***   * ***   ** * *** * ***   * 0;

}

Comments

Case 0: Correct output
Case 1: Correct output

Answer 9

Hidden content!
*    ***** ***  **  ***
int main()
{
   ***** *     *   ***** ***  a,b;
  *** ** **  *** ********  *  * *  **    *** **  * * ** 
**** *  * **** **    *   * *        **  ** * Ratio: ** ****  * ******  * 
*  * ******  ** *  ** * ****** * ** *  * *** * Ratio: %g%%",100*(b/(a+b)));
* *  ** **   * * **  **  * ***** ** 0;
}

Comments

Case 0: Correct output
Case 1: Correct output

Answer 10

Hidden content!
***    ** *  *  ***
int main()
  {
 * *  * * *  *    *     *  a,b;
   ***  *     ** *   *****  *** *** *  *******   *  **  
*   *** *  ** **  * ***** ****  *  ***   *   Ratio:   *   *  *****  *  *
* **    *** * ***  *   **** *  ***   ***** Ratio: * ** *    ** ****   
* *** ***  * *  * *  *  * **** 0;
}

Comments

prog.c: In function 'main':
prog.c:5:13: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'float *' [-Wformat=]
     scanf("%d%d",&a,&b);
             ^
prog.c:5:15: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'float *' [-Wformat=]
     scanf("%d%d",&a,&b);
               ^