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1251 - Repeated Substitution with Sed
Posted: Thu Sep 04, 2014 10:11 pm
Use this thread to discuss this problem.
Re: 1251 - Repeated Substitution with Sed
Posted: Fri Feb 10, 2017 9:55 pm
OK, I do a BFS with bitmasks, each word being encoded with an at most 50-bit unsigned long long... Result: TLE. Question: what else needs to be done apart from BFS?