Archive for the ‘general_problems’ Category

8 queen problem (backtracking)

July 5, 2018

Backtracking problems tries to create a solution tree, once previous instances pass. If condition fails at some point, it backtracks to the previous instance where it was successful, and try other possible options.

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Create all possible combinations

September 24, 2017

This was an attempt to solve SPOJ – SQRBR, but gives TLE. It explores all the options recursively, and without the use of dynamic programming. This technique can be used to generate all the combination of certain values.  (more…)