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);
               ^