Contest Clarifications
Problem 1002 : why sample1 is 2?
why sample1 is 2?I think there are 4 paths: 1-2-4-5-7,1-2-4-6-7,1-3-4-5-7,1-3-4-6-7
why the answer is 2?Suicide at 2010-06-05 15:32:15
RE:why sample1 is 2?no road can be taken more than once.starvae at 2010-06-05 15:38:04