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);
               ^