You have a deck of N cards numbered in order from 1 to N. You discard the top card (card 1) and place the next card (card 2) at the bottom of the deck. Then you discard the top card of the remaining deck (card 3), and place the next card (card 4) at the bottom of the deck. We repeat the procedure: discarding the top card and placing the next card at the bottom of the deck. Eventually, you will have one card left. What is the number of that card?
deck = [ 1 2 3 4 5 ] deck = [ 2 3 4 5 ] deck = [ 3 4 5 2 ] deck = [ 4 5 2 ] deck = [ 5 2 4 ] deck = [ 2 4 ] deck = [ 4 2 ] deck = [ 2 ]
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