Connected edges

Computer Science Level 2

Given the depth-first traversal of a tree graph G G with n n vertices, If the number of tree edge is x x , what is the number of connected components in the graph G G ?

x − 1 x-1 n + x n+x n − x n-x x x x + 1 x+1 n − x − 1 n-x-1

Beakal Tiliksew by Beakal Tiliksew , 24, Ethiopia

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