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);
               ^