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);
               ^