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.
Rotate a Matrix by 90 degrees
Add two numbers
match 2 string
Simple date to serial no. conversion
check wether armstrong no or not
CONVERT TAN TO SIN
Find the logic
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