How to swap values between two variables without using a
third variable?
Answers were Sorted based on User's Feedback
Answer / chitra
main()
{
int a,b;
a=a+b;
b=a-b;
a=a-b;
}
chitra write answer
Is This Answer Correct ? | 1 Yes | 0 No |
Answer / kumar
//language using C#
int a=10;
int b=20;
a=a+b;
b=a-b;
a=a-b;
thanks
Kumar
http://www.sourcecodehub.com/php/how-to-swap-values-of-two-variables-without-using-a-third-variable-integer/
Is This Answer Correct ? | 1 Yes | 0 No |
Answer / nisay mizrahi
double a,b;
System.out.println("put in 2 numbers");
a=in.nextDouble();
b=in.nextDouble();
if(a>b){
a=a-b;
b=b+a;
a=b-a;
}
else
if(b>a){
b=b-a;
a=a+b;
b=a-b;
}
System.out.println("a is "+a);
System.out.println("b is "+b);
}
}
Is This Answer Correct ? | 2 Yes | 2 No |
Answer / neha
class SwapBitwise
{
public void SwapByBitwise(int x, int y)
{
x =x ^ y;
y = x ^ y;
x = x ^ y;
System.out.println("x : " + x + " " + "y :" + y);
}
}
public class SwapOperation
{
public static void main(String[] args) {
SwapBitwise obj = new SwapBitwise();
obj.SwapByBitwise(200, 300);
}
}
Is This Answer Correct ? | 1 Yes | 1 No |
Need more information related to,
1. the values and type of variables before doing a swap, in
order to do the efficient memory management and code
robustness.
2.the reason to swap without using third variable.
3.code efficiency increased due to the two variable alone.
4.pre and post conditions for swap
5.the programming laguage to be used to do swap.
Is This Answer Correct ? | 0 Yes | 0 No |
When you deliver your C++ headers and C++ library of a class (what all can you change in the class so that application using your class does not need to recompile the code)
Why multiple inheritance is removed in java?
What is Console Application? & The purpose Of Console Application? with description.
Write a program to reverse a number?
Outline the two important features of a terminating recursion. Any ideas?
19. Given a system that is described with the following equation, X=A+(B.(A̅+C)+C)+A.B.(D̅+E̅) a) Simplify the equation using Boolean Algebra. b) Implement the original and then the simplified equation with a digital circuit. c) Implement the original and then the simplified equation in ladder logic.
what is the basic and unique feature of dotnet
what is delegate and how works delegate and event.
What is good attributes of Programming language ?
what is difference between VB5 AND VB6.0
Given a Binary Search Tree, write a program to print the kth smallest element without using any static/global variable. You can?t pass the value k to any function also.
could u please also write an example of a code that involves instances from an abstract class just as u did for interfaces because u said it could also work which i really doubt. thanks