Given n balls of radius r and the vector p (nx3) with all position (x,y,z) of the balls, return the symmetric matrix A (nxn) containing all distance between the centroid of all balls (diagonal terms should be all 0).
Two or more balls can overlap.
I think there is some rounding difference here... :-(
Find the peak 3n+1 sequence value
Project Euler: Problem 2, Sum of even Fibonacci
kmph to mps
Determine the length of a string of characters
subtract central cross
Given a matrix, return the last eigen value
Fermat's Last Theorem - Fermat's conjecture
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