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);
               ^