A polite number is an integer that sums of at least two consecutive positive integers.
For example 7 = 3+4 so 7 is a polite number.
Given N return N-th polite number.
See also 2595
As a heads up, http://oeis.org/A138591 counts 1 as a polite number, but the test suite does not.
Project Euler: Problem 9, Pythagorean numbers
What is the distance from point P(x,y) to the line Ax + By + C = 0?
Create a two dimensional zero matrix
Beginner's Problem - Squaring
How many solutions has this problem?
Another colon problem
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