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);
               ^