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);
               ^