# Problem List

TitleDateDescriptionMore
28 Armstrong Number
2015-07-24
An Armstrong Number is a number that is the sum of its own digits each raised to the power of the number of digits.
29 Complex Number
2015-07-24
A complex number is a combination of real and imaginary numbers. A+Bi is a complex number where A is the real number and B is the imaginary number.
30 Fibonacci Number
2015-07-24
Fibonacci number is a number that start with one or zero and next number is equal to the sum of previous two numbers. Ex F (0) = 0, 1, 1, 2, 3, 5, 8, 13, 21, 34..
31 Greatest Common Divisor
2015-07-24
Greatest Common Divisor(GCD) is the largest positive integer that divides the numbers without a remainder
32 LRU Cache
2015-07-24
Least Recently Used (LRU) cache algorithm remove the least recently used items first
33 Palindrome Number
2015-07-24
A palindromic number is a number that remains the same when its digits are reversed
34 Power
2015-07-24
Power involves two numbers with a base a and the exponent n. Example 3 pow 4 = 3 x 3 x 3 x 3 = 81
35 is Prime
2015-07-24
Prime Number is a number which can be divided evenly only by 1, or itself.
36 Reverse Integer
2015-07-24
Reverse Integer reverses the given integer digits to reverse order. Example x=123 and output y=321
37 subsets With Duplicate
2015-07-24
Detect duplicate in a subset from a set of elements