Volume 23
3239 Solution to the n Queens Puzzle 36%(1366/3729) 2017-2-10 3240 Solution to the n2 − 1 Puzzle 17%(67/392) 2017-1-7 ...
Balance puzzle - Wikipedia
n weighings are sufficient to find a bad coin among 3n − 1/2 coins...The nine-coin problem[edit] Solution to the balance puzzle for 9 coins in...
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3240 Solution to the n2 − 1 Puzzle 39 POJ Monthly--2007.06.03, Huang, Jinsong 3234 The Kylin Den 12 POJ Monthly--2007.06.03, Jia, You 3236...