Test case 2 matrix is not symmetrical. Can't be the adjacency matrix of an undirected graph.
yes.. fixed it
Will there be a new leader?
select the primes of a vector
Upper triangular matrix
Mysterious digits operation (easy)
Numbers spiral diagonals (Part 1)
weekday and month
all possible subsets of set
Let's see how peculiar we can get
row-th maximum row elements
Yet Another Path Finder
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