List questions from spoj | MathQA

Help for solving quadratic residue.

Published on 11 May 2014 - 8:42

Fast way to find the sum of LCM of the given range of numbers?

Published on 29 Jul 2014 - 15:06

Winner in this game with divisors

Published on 02 Oct 2015 - 3:34

CHICKEGG chicks problem [spoj]

Published on 22 May 2016 - 17:42

Given n girls and boys how many ways are there to arrange them such that any two boys have atleast 'k' girls between them.

Published on 31 May 2013 - 18:02

Find an algorithm to compute $(1! \cdot 2! \cdot3!\cdots n! ) \,\%\, x$.

Published on 27 Aug 2013 - 13:28

Calculating Pisano periods for any integer

Published on 08 Oct 2013 - 15:11

Placing K knights in an nxn board such that no two attack each other

Published on 09 Nov 2013 - 5:36

Maximization with xor operator

Published on 30 Jun 2011 - 13:48

Number of divisors excluding set of primes S

Published on 11 Jul 2011 - 16:54

Factorial division using Pascal's triangle.

Published on 05 Jan 2012 - 2:56

How to calculate all the prime factors of $lcm$ of $n$ numbers?

Published on 17 Mar 2012 - 18:04