Discussion @ 1172. Ship Routes @ Timus Online Judge

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Discussion of Problem 1172. Ship Routes

i use O(n^4), :(

Posted by hoan 27 Nov 2010 00:22

i use O(n^4) and got AC in .062 s, if you have a better algo, plz explain to me, plz ,plz, plz ....

sorry for my poor english.
GOOD LUCK!!!