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please consider very small cases i guess the right way is like
AAB
AAB
BBC
Edited by author 25.01.2013 16:44 You think wrong, this example can be covered with only 2 letters. Руна каждого типа должна присутствовать с уровнем (l-1)? why is the output YES? there are two B in the first row of output. |
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