Describe a linear-time method for computing the path length


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The path length of a tree T is the sum of the depths of all the nodes in T. Describe a linear-time method for computing the path length of a tree T (which is not necessarily binary)

pathLength(tree T, Node v, int d): if v is a leaf node: return d else: currDepth = d for each child c of v: currDepth = currDepth + pathLength(T,c,currDepth+1) return currDepth getResult(tree T): return pathLength(T,T.root,0)

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C/C++ Programming: Describe a linear-time method for computing the path length
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