HI Everyone...
I came across this problem on UVa Safe Salutations I know that it can be solved with the Catalan Numbers but I wanna know WHY ???!! In other words I wanna know the proof that Catalan Numbers work on this problem... THANKS !!!
I came across this problem on UVa Safe Salutations I know that it can be solved with the Catalan Numbers but I wanna know WHY ???!! In other words I wanna know the proof that Catalan Numbers work on this problem... THANKS !!!
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