User contributions
- 08:43, 27 November 2014 (diff | hist) . . (+336) . . N KGS math club/solution 11 27 (Created page with "Split the coins into two piles: 64 and 32 coins. Flip every coin in the pile of 64. Now both piles have equal number of heads. Proof: let n be the number of heads in the origina...") (current)
- 08:39, 27 November 2014 (diff | hist) . . (+57) . . KGS math club
- 14:16, 24 November 2014 (diff | hist) . . (+16) . . KGS math club/solution 11 26 (current)
- 14:14, 24 November 2014 (diff | hist) . . (+2,282) . . N KGS math club/solution 11 26 (Created page with "(There is an example in the end. The solution might be easier to follow if reading the example in parallel with the solution.) Let's call the sheriffs A and B. First, A announce...")
- 13:25, 24 November 2014 (diff | hist) . . (+57) . . KGS math club
- 16:37, 16 April 2013 (diff | hist) . . (+1,801) . . N KGS math club/solution 11 23 (Created page with "Notation: Let's call the bucket with smallest amount of pebbles in the beginning A, the one with most pebbles C and the remaining one B. Let's say that initially A has a pebbles,...") (current)
- 16:00, 16 April 2013 (diff | hist) . . (+57) . . KGS math club