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);
               ^