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The fact that every tower can be reduced to 1 since the 1st move makes that tower not choosable again. So then, if the height of towers is 1 since the beggining makes P2 to win by default as P1 cannot reduce any tower and he goes first.
if the number of towers is pair then P2 will win as P1 will reduce one of them to 1 and in the next turn P2 will do the same, then no more chances for P1.
If the number of towers is odd, then P1 will win as he will have the last turn.
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Tower Breakers
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The fact that every tower can be reduced to 1 since the 1st move makes that tower not choosable again. So then, if the height of towers is 1 since the beggining makes P2 to win by default as P1 cannot reduce any tower and he goes first. if the number of towers is pair then P2 will win as P1 will reduce one of them to 1 and in the next turn P2 will do the same, then no more chances for P1. If the number of towers is odd, then P1 will win as he will have the last turn.