An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. For example, 153 is an Armstrong number since 1^3 + 5^3 + 3^3 = 153.
Back to basics 13 - Input variables
Is this matrix orthogonal?
Is this triangle right-angled?
Who invented zero?
Find the logic
Given area find sides
give-nth-decimal-place-of-pi up to 100 digits
MATCH THE STRINGS (2 CHAR) very easy
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