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);
               ^