Creating your own TinyURL

Question

I have just found this great tutorial as it is something that I need.

However, after having a look, it seems that this might be inefficient. The way it works is, fir

Answer 1

I solved a similar problem by implementing an alogirthm that used to generate serial numbers one-by-one in base36. I had my own oredring of base36 characters all of which are unique. Since it was generating numbers serially I did not have to worry about duplication. Complexity and randomness of the number depends on the ordering of base36 numbers[characters]... that too for public only becuase to my application they are serial numbers :)