Given a positive integer, return its corresponding column title as appear in an Excel sheet. For example:
1 -> A
2 -> B
3 -> C
26 -> Z
27 -> AA
28 -> AB
To convert a number from a system with base m to Decimal number system, we can use the following formula:
xyz = x * m^2 + y * m^1 + z * m^0.
For instance, the binary number 1010 = 1 * 2^3 + 1 * 2^1 = 10.
Now to convert a number N in decimal system to a system with base m,[Read More...]