Algorithms

  1. Number Theory
  1) Fibanacci numbers
  2) Nth Fibanacci number
  3) Write an Efficient Method to Check if a Number is Multiple of 3
  4) isPrime
  5) Sieve of Eratosthenes
  6) Prime Factors
  7) AP and GP
  8) No of digits in a Number
  9) Factorial
  10) No of digits in a factorial
  11) Trailing zeros in a factorial
  12) Find Excel column name from a given column number 
  13) Palindrome numbers
  14) GCD and LCM
  15) Divisors of a Number
  16) Modular Multiplicative Inverse
  17) Given a column title as appears in an Excel sheet, return its corresponding column number.