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0
Thanks, if I need help I hope it's not a problem to ask. :) |
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+5
What do you mean by "Process the vertices in reverse topological order"? And how should I do that? |
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0
Hey, guys! I didn't have a Codeforces account until last year's October and now that I see that there were April Fools Day Contests, can anyone tell me why hasn't there been a contest last year? |