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A competition to solve a particular problem through the usage and manipulation of arrays.

1 vote

Repeat Values In Array

q, 5 bytes where k, 2 bytes &: Built-in where and indexing does exactly as specified
cillianreilly's user avatar
1 vote

Calculate the inverse of a matrix

q, 3 bytes inv k, 1 byte ! Does exactly as requested. Input must be a float matrix
cillianreilly's user avatar
0 votes

Shuffle a ragged array

q, 36 bytes {(0,sums -1_count each x)_0N?raze x} k, 22 bytes {(0,+\-1_#:'x)_0N?,/x}
cillianreilly's user avatar