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);
               ^