Calculate the area of a triangle between three points:
these three points are the vertices of the triangle.
The test suite checks for equality, but different techniques have small numerical differences. The test suite should allow for these differences, as it eliminates many solutions that are correct.
This problem has been updated to check against a small error value rather than for equality.
Make a checkerboard matrix
Implement a ROT13 cipher
Spot the outlier
Replicate elements in vectors
Convert from Base 10 to base 5
Find number of days
Find nearest prime number less than input number
arrangement of symbols
mathematics , probability problem
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