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);
               ^