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);
               ^