Discussion @ 1142. Relations @ Timus Online Judge

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Discussion of Problem 1142. Relations

Nikolai Sakharnykh What is answer for N = 4? [2] // Problem 1142. Relations 25 Jan 2002 23:59

Michael_Rybak 75 (-) // Problem 1142. Relations 26 Jan 2002 14:31

S☆LIBRA♂ Re: What is answer for N = 4? // Problem 1142. Relations 5 Dec 2007 20:26

The answer is 75.