Binary Nim

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Tweedle-Dee and Tweedle-Dum are playing a fierce match of binary Nim. This novel game is played with $N$ stacks, each of them containing only $1$-s and $0$-s. Just like in normal Nim, Tweedle-Dee and Tweedle-Dum alternate turns; in their turn, a player must choose one non-empty stack and remove a positive number of elements from the top of this stack. However, Tweedle-Dee may only choose a stack

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L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

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L5 Full solution

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solution.cppC++17

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