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);
               ^