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);
               ^