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

Hidden content!
#include<stdio.h>

int main()
{
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}

Comments

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

Answer 2

Hidden content!
#include <stdio.h>
int main()
{
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**  * **  *  ****   ****  second_number;
* * ******  *** * *** *   **** swap;

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}

Comments

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

Answer 3

Hidden content!
#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

Hidden content!
#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

Hidden content!
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   * 0;
}

Comments

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

Answer 6

Hidden content!
* *  * **  ****  ***
int  * * * *
{
* ** ** *    * * *** a,b,swap;
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****     * *    ** *  * * 
swap=a;
a=b;
b=swap;
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  *  ** *    ** **
  * * * *  * ***** 0 ;
}

Comments

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

Answer 7

Hidden content!
   *   ***   ** ** * 
main()
{
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****     **  ** *****    ****
  * ***   **** *  ******  *** 
swap=a;
a=b;
b=swap;
  ****  * * * * ***     a);
*  ***   *** *** **
 * **  **    * * *  ** 0 ;
}

Comments

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

Answer 8

Hidden content!
**** * * * * *** *
 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

Hidden content!
*** **** *  * ****
*    *   *  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

Hidden content!
#include <stdio.h>

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

Comments

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