Tomislav Kralj a crit :
> Hello,
>
> I would be so gratefull to ANYONE who can help me!
>
> I'm writting a program in C++.
> A part of my program is to compare two strings and as a result I have to
> get a number (range:0-1) which represents a similarity beetwen those two
> strings.
>
> Which algorythm to use?
> I searched Web, but there's a million of them, and I don't know which to
> use.
> I don't need a solution in C++, just a hint which algorythm to use to
> implement this concept.
>
> Thanx!
>   
You problem is similar to finding the edit distance between two strings. 
Have a look at http://en.wikipedia.org/wiki/Edit_distance and 
http://en.wikipedia.org/wiki/String_metrics.
I don't know which one could give a result in the range [0,1], however.


--
Olivier Renaud