Test case 2 matrix is not symmetrical. Can't be the adjacency matrix of an undirected graph.
yes.. fixed it
Right and wrong
Getting the absolute index from a matrix
Remove white space from the string
Vector of numbers divisible by 3
remove single elements
Graph Algorithms - 2 : Chromatic Number
all possible subsets of set
Magnet and Iron
Let's see how peculiar we can get
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