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);
               ^