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);
               ^