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Odds and evens - a game with the same strategic structure, that is played with fingers instead of coins. Rock paper scissors - a similar game in which each player has three strategies instead of two. Parity game - a much more complicated two-player logic game, played on a colored graph. Penney's game - an exploitable sequence game
As this card-based version is quite similar to multiple repetitions of the original coin game, the second player's advantage is greatly amplified. The probabilities are slightly different because the odds for each flip of a coin are independent while the odds of drawing a red or black card each time is dependent on previous draws. Note that HHT ...
To create a binary tree maze, for each cell flip a coin to decide whether to add a passage leading up or left. Always pick the same direction for cells on the boundary, and the result will be a valid simply connected maze that looks like a binary tree, with the upper left corner its root. As with Sidewinder, the binary tree maze has no dead ...
Computational Infrastructure for Operations Research (COIN-OR), is a project that aims to "create for mathematical software what the open literature is for mathematical theory." The open literature (e.g., a research journal) provides the operations research (OR) community with a peer-review process and an archive.
Another way to generate the same trees is to make a sequence of coin flips, with probability of heads and probability of tails, until the first flip at which the number of tails exceeds the number of heads (for the model in which an external root is allowed) or exceeds one plus the number of heads (when the root must be internal), and then use ...
To choose two out of three, three coins are flipped, and if two coins come up the same and one different, the different one loses (is out), leaving two players. To choose one out of three, the previous is either reversed (the odd coin out is the winner) or a regular two-way coin flip between the two remaining players can decide. The three-way ...
The first con artist strikes up a conversation with the victim, usually while waiting somewhere. The con artist suggests playing a game of matching pennies (or other coins) to pass the time, a simple game where players reveal coins as heads or tails and the winner is determined by whether the faces match or differ. The second con artist arrives ...
Entropy Η(X) (i.e. the expected surprisal) of a coin flip, measured in bits, graphed versus the bias of the coin Pr(X = 1), where X = 1 represents a result of heads. [ 10 ] : 14–15 Here, the entropy is at most 1 bit, and to communicate the outcome of a coin flip (2 possible values) will require an average of at most 1 bit (exactly 1 bit for ...