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Note: If you're using Java and running into timing issues, do not use one of the collections classes for implementing your stack. Use a primative int[] and a "top" index - much faster.
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AND xor OR
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Nice algorithm.
Note: If you're using Java and running into timing issues, do not use one of the collections classes for implementing your stack. Use a primative
int[]
and a "top" index - much faster.