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);
               ^