Given an adjacency matrix of a simple undirected graph, find the number of connected components.
Most nonzero elements in row
Symmetry of vector
Calculate the derivative of a polynomial
Convert a vector into numbers
Sum of series III
Path of least resistance - Move all direction
Diagonal of a Spiral Matrix
FIFA World Cup 2014 : Offside
Collaborative Fun : Nomination
longest common substring : Skipped character version
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