Spookily similar to Problem 381 ("Angle between two vectors")....
All your base are belong to us
Test if a Number is a Palindrome without using any String Operations
sum of non-primes
Rounding off numbers to n decimals
Unique: Enhanced Performance - Large and Wide Array - Speed Improvement (66% savings)
Pandiagonal Prime Magic Square Verification
Image Processing 003: Interferometer Data Interpolation
GJam 2015 Rd1B: Noisy Neighbors
Hamming Weight - Fast
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