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);
               ^