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);
               ^