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yea i figured that out. thx man! |
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can someone please tell me whats wrong in my solution for E. i feel like it follows the idea on the editorial, which is changing the values of a[i] such that a[i]^a[i+1] == b[i], and then change the values of a[i] such that a[i]^b[i+1] == b[i]. |
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can anyone help me understand what's wrong with my approach on C? i chose and removed the vertex with most neighbors, then i removed all the edges. Finally i chose again the vertex with the most neighbors. PS: great contest! |
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