Hexadecimal decimal conversion c program

Here is its answer. As the above program was build and run under Code::Blocks IDE, therefore after successful build and run, you will get the following output. This is the first snapshot of the sample run:. Now supply any decimal number as input say and press ENTER key to see the equivalent hexadecimal value as output.

Here is the second snapshot of the sample run:. Now let's create the same program but without using any modulous operator.

This was really amazing. So many implementation methods for converting hexadecimal number to decimal numbers in C. Made my concepts more clear. Because these are also hexa decimal number. Necessary cookies are absolutely essential for the website to function properly.

This category only includes cookies that ensures basic functionalities and security features of the website. ToInt32 n, 16 ;. WriteLine HexToDec n ;. Previous Program for Octal to Decimal Conversion. Next Computer Arithmetic Set - 1. Recommended Articles. Modify array by removing characters from their Hexadecimal representations which are present in a given string. Article Contributed By :. Easy Normal Medium Hard Expert. Writing code in comment? This is what I've done so far.

It gives answer backwards, like if I input a decimal number '' it gives hexadecimal value A82 when the answer should be 28A. Can anyone suggest what I should do to correct it? Of course it gives the answer backwards. Your program starts analizing the given decimal number "starting from the back".

To be specific, you are converting the number starting with the least important digits. After each digit processed you output it immidiately. Thus you first output the least important digits, but both hexadecimal and decimal systems represent number starting with the most important ones.

Try saving all digits in a string, adding new digits in the beggining of it:. If the only thing wrong is that the output is in the reverse order of what you want, you could place the output into a container instead.

Then, reverse the order of the output in the container before printing it out. One way to do to get the output into a container is to send your output to a stringstream. Without resorting to recursion it is simply enough to form the answer in a local buffer of the max possible size and populate it backwards.

Either move code to unsigned long or to form "-0x1B" from input , fold values to the negative side, convert as above knowing least digit will be negative, and lastly applying a sign as needed. How are we doing? Please help us improve Stack Overflow. Take our short survey.