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);
               ^