9/28 Write a program to swap the values of two variables

Question

Write a program to swap the values of two variables. The program will ask the user to input variables x and y with numerical values. You must write code that exchanges their values: the value of x after your code runs must equal the value that y had before your code ran, and the value of y after your code runs must equal the value that x had before your code ran.

寫一個交換兩個變數的程式

Example input:

3
5

Example output:

5
3

Remember: Your output may be 100% correct, but your code matters!

Comments

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Answer 1

內容已隱藏
#include<stdio.h>

int main()
{
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}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output

Answer 2

內容已隱藏
#include <stdio.h>
int main()
{
 *** * ***** ** * * *** first_number;
  **       **   **   * **  *   **** *  second_number;
  * *   *  * ***** * ***   **   swap;

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* *     ***    ** **    ** 0;

}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output

Answer 3

內容已隱藏
#include<stdio.h>
int main(){
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return 0;}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output

---

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output

Answer 4

內容已隱藏
#include<stdio.h>
int main()
{
int a,b;
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return 0;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output

Answer 5

內容已隱藏
 **     *** *    ***   * 
 **   ** (){
   *  **  *
* *    **  *    ***  of x and y:  * *** * **
* *** *** *** ** *** ** **   *  *  
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***   0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output

Answer 6

內容已隱藏
**  ** *** ****  * 
int     * * 
{
    ** * *  *   * a,b,swap;
** * *** **  **   * ***  ** *
  *** **  **  ** *  **  *  
swap=a;
a=b;
b=swap;
** ******   ***  *    a);
*  * *   **      ***  *
  ***  * *  **  * ** 0 ;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output

Answer 7

內容已隱藏
* **  *****     *  
main()
{
*    ***   * *   **** *
*   *** * * **** * *    **    
***  ** * *** *   ** ** 
swap=a;
a=b;
b=swap;
 *  ****  **  * ** ** a);
  * * **     *  ** * **
*    *  *  **  *  *  0 ;
}

Comments

prog.c:2:1: warning: return type defaults to 'int' [-Wimplicit-int]
 main()
 ^~~~

Answer 8

內容已隱藏
***  * * *** ** 
 int main(){
int a,b;

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return 0;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output

Answer 9

內容已隱藏
      *** *****  * ***
   * **** main(){
int a,b;

 * ** *   * *     * * * **  *  ** *     **** * ** *  * * **   ** * *  * ****  * *

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return 0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output

Answer 10

內容已隱藏
#include <stdio.h>

int main(){
*****     *** *  * *** ***  
  * * ** ** * ***   *** *  * x,y,temp;
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**  * *****  * *** **  **  *** **  ****   * *** * ** *
    
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*  ****      * * *  * = y;
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* ** *     * *** *  ** *** * * **** ** *  *   ***** *  x,y);
** *   **  ** ***  *         
** *******  ** *   * *  *  *   **** 0;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output