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A puzzle based on combinatorics, which is the study of counting discrete structures. Use with [mathematics]

11 votes
Accepted

Anna and Boris play the Red Blue game

That score is attainable with:
ralphmerridew's user avatar
4 votes

Every tournament has a dominant player

Constructive proof: Consider a person P who won the greatest number of matches. (If there is a tie for most, choose any of them.) This person is a dominant player. If P is not a dominant player, the …
ralphmerridew's user avatar
1 vote

Find the least number of objects from a jar when those have two colors

Conifers has shown that it's possible to draw 15 candies without drawing 7 of some color. (3 of each type of candy) To show that 16 candies forces 7 of some color: #(green-blue) + #(green-red) <= 6 #( …
ralphmerridew's user avatar