ccad2015's blog

By ccad2015, 10 years ago, In English

the problem is here http://mirror.codeforces.com/problemset/problem/472/D the solution like 8041817(the first several solution onhttp://mirror.codeforces.com/problemset/status/472/problem/D ) can not pass follow test data

4

0 1 3 2

1 0 2 3

3 2 0 1

2 3 1 0

the test data is not strong enough 0.0

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