vexorian's blog

Blog of Round #89 and problems C and D
By vexorian, 13 years ago, In English

Shameless plug:
http://vexorian.blogspot.com/2011/10/codeforces-round-89.html

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13 years ago, # |
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Someone please share how to solve problem E. thanks
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13 years ago, # |
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you use DFS to set direction of all edges and then find strongly conected componetnts
if there are more then one component - print 0
else - print edges
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