# Latest TCS Aptitude Question SOLUTION: Alice and Bob play the following coins-on-a-stack game. 100 coins are stacked one above the other. One of them is a special (gold) coin and the rest are ordinary coins. The goal is to bring the gold coin to the top of the repeatedly moving the topmost coin to another position in the stack. Alice starts and the players take turns. A turn consists of moving the coin on the top to a position I below the top coin (for some I between 0 and 100). We will call this as i-move (thus a 0-move implies doing nothing). The proviso is that an i-move cannot be repeated, for example once a player makes a 2-move, on subsequent turns neither player can make a 2-move. If the gol coin happen to be on the top when it’s a player’s turn then the player wins the game. Initially, the gold coin is the third coin from the top. Then In order to win, Alice’s first move should be a 1-move. Alice has no winning strategy. In order to win, Alice’s first move can be a 0-moveor a 1-move. In order to win, Alice’s first move should be a 0-move.

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RAKESH
India
Bihar
Time: 00:00:37

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Lekshmi Narasimman MN
5 Days ago

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15 Days ago

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arnold
17 Days ago

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20 Days ago

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22 Days ago

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22 Days ago

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"" To love Math is to embrace understanding.To use math is embrace life and its complexities."" Elmor EarlF.Leonor

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