Is there an algorithm to find all permutations (with repetition) for a given string? I have come up with a very simple algorithm that permutes strings without repetition, and when I give it an input ...

Preparation for any exam requires an overall understanding and a rigorous practice of all the concepts to be tested in that exam. This can be achieved by a thorough learning of each topic given in the ...

Permutations and Combinations is a very important chapter for CAT Entrance.These questions demand ability to comprehend and interpret the problem situation and then find an appropriate way to arrive ...