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6.4 A bunch of people are living on an island, when a visitor comes with a strange order: all blue-eyed people must leave the island as soon as possib... 阅读全文
posted @ 2015-08-24 06:59
Grandyang
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6.3 You have a five-quart jug, a three-quart jug, and an unlimited supply of water (but no measuring cups). How would you come up with exactly four qu... 阅读全文
posted @ 2015-08-24 06:28
Grandyang
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6.2 There is an 8x8 chess board in which two diagonally opposite corners have been cut off. You are given 31 dominos, and a single domino can cover ex... 阅读全文
posted @ 2015-08-24 06:13
Grandyang
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6.1 You have 20 bottles of pills. 19 bottles have 1.0 gram pills, but one has pills of weight 1.1 grams. Given a scale that provides an exact measurem... 阅读全文
posted @ 2015-08-24 04:57
Grandyang
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