print * in vertical

I remember one day in the year 2006, my cousin Senthil Kumaran asked me to write a program in C language to print *(stars) vertically like below:

Ha ha, really I didn't even try or know actually. Later I learned few programming languages of my own and got help from others including Senthil dha.

I have a little free time these days and was thinking to do something useful. So started writing string manipulating programs using c#. Today, this vertical star striked in my mind. As I don't have Turbo C or C++, I did it in Microsoft C#.

Below is the code for printing the *s vertically based on the numbers entered in the textbox:

Output:

My output has '+' instead of ' ' (space), because I've used asp.net label to display the stars and it does not accepts multiple spaces.However, it supports in c# console application.

My trick was to print spaces before printing * in each line till the count. For example, if the number entered is 5, the first line would print 4 spaces and then a *, the next line would print 3 spaces and then 2 *s and so on.

Console application code:

Console application output:

I'm not sure about other ways of printing. If anybody knows, then let me know.

swapping numbers without temp variable in c#

We all know, swapping numbers with temp variable is possible and easy. Recently I just rememberd of one of the interview questions "swap 2 numbers without using temp variable". I started thinking and did that in c#.

Following is the code which swaps 2 numbers without using temp variable


Output:

I was struggling by trying with different formulae, but nothing worked. I didn't think that we can recalculate first variable for resulting the output.
I got the idea from this post answered by this member.

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Output

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Output:

super happy coding.....

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Output: