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The K-th Path

WARNING: The Input files may be as large as 8 MB. Use faster I/O methods. There is a tree, consisting of N nodes. A path is a sequence of one or more nodes of this tree, where every two adjacent nodes are connected by an edge and no node is visited twice. Generally, there are N2 paths. Note that we are counting paths from each node onto itself as well. One path is smaller than another if the sequ

HINT LADDERno hints yet
L1 Observation
L2 Technique
L3 Approach
L4 Pseudo-code
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L5 Full solution
L5 unlocks only if you insist twice
solution.cppC++17

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