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);
               ^