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);
               ^