Posted: Mon Jul 12, 2004 3:03 pm    Post subject: Let me stimulate the discussion

Let n be a positive integer. Find the smallest positive integer m such that the following statement holds.

For any m distinct unit vectors in , the angle between two of them is acute.

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世上沒有完美的人完美的事，而我們的責任就是要令自己的表演達至最精彩最完美。所以魔術一直都沒有停頓下來，與時代一起進步去追求無止境的完美。