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);
               ^