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);
               ^