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);
               ^