Hi everyone :) I've been trying to solve this problem https://icpcarchive.ecs.baylor.edu/index.php?option=onlinejudge&page=show_problem&problem=2272, but I do not have very clear ideas. Any suggestion? Thanks in advance ^^.
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have you read about biconnected components?
https://en.wikipedia.org/wiki/Biconnected_component
I think that problem would be easier if you know about that.