How to swap 2 numbers?
There is two number in two variables. We have to swap the position of the numbers. For example, the
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Swap |
variable x holding integer value 5 and another variable y holding the integer value 10. Now we have to swap the position of those two numbers.
Logic:
We can use another temporary variable to store the value of x.
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Swap fig: 01 |
Now we have a backup copy of the value of x into the temp variable.
So, we can now give the value of y to x.
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Swap fig: 02 |
Yes, we have done half of our job!! x is now holding the value of y. Now time to assign the value of x into y. Remember, we have saved the value of x into the temp variable in figure 01. So now put the temp value to y.
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Swap fig: 03 |
Oh yes. Now look...! We have successfully swapped the value of x to y and the importance of y to x.
Now it's time to check what we understand. Write a program to swap two numbers:
[Note: Don't see the code first. Please try yourself] alert-info
Sample Input:
Sample Input |
The program should take input from the user.
Sample Output:
Sample Output |
Don't worry. If you failed, the code is here. Hope you will understand the code easily.
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