Most voted questions under tag algorithms

+5 votes

1 answer

print tree in zig zag order ?

posted Nov 17, 2013 by Mona Sharma

+5 votes

0 answers

Find out a number which is palindrome in decimal and octal notation?

posted Nov 13, 2013 by anonymous

+5 votes

3 answers

WAP to find whether given adjacency matrix represents Graph or Tree?

posted Nov 11, 2013 by Prakash Singh

+5 votes

2 answers

print all the combinations of the digits of a given number

posted Oct 12, 2013 by Sony Mohanty

+5 votes

2 answers

Subarray which has maximum sum.

posted Oct 12, 2013 by Diya Sharma

+5 votes

1 answer

Print a tree.

posted Oct 12, 2013 by Diya Sharma

+5 votes

2 answers

Remove a middle node of a singly linked which has odd number of nodes using a single pointer ?

posted Oct 9, 2013 by Neeraj Mishra

+4 votes

1 answer

Largest Difference in an Array

posted Aug 19, 2016 by Mohammed Hussain

+4 votes

0 answers

Help me to find least common ancestor in a BST.

posted Jun 16, 2016 by Shahsikant Dwivedi

+4 votes

2 answers

Find the second largest element in an integer array,without using sorting techniques and complexity must not exceed O(n)

posted Mar 20, 2016 by Shahsikant Dwivedi

+4 votes

1 answer

How to write Euclid's GCD non-recursive algorithm?

posted Feb 8, 2016 by anonymous

+4 votes

1 answer

How to multiply two very big numbers without overflow ?

posted Feb 3, 2016 by anonymous

+4 votes

2 answers

Algorithm : Find the number of occurrence of each character presents in a string ?

posted Jun 28, 2015 by Alok

+4 votes

1 answer

JAVA Program for all combinations of (n-1) length substring of n length string ?

posted Nov 4, 2014 by Sudhakar Singh

+4 votes

3 answers

Maximum size square sub-matrix with all 1 s, Recusively

posted Dec 28, 2013 by Atiqur Rahman

+4 votes

2 answers

How to verify whether a binary tree is balanced tree?

posted Dec 12, 2013 by Mona Sharma

+4 votes

0 answers

Calculate 1+2+…+n without multiplication?

posted Dec 12, 2013 by Anuj Yadav

+4 votes

1 answer

What is the last number, if we delete nth number of a circle ?

posted Dec 12, 2013 by Diya Sharma

+4 votes

1 answer

Best way to find if two numbers are coprime?

posted Nov 29, 2013 by anonymous

+4 votes

1 answer

convert one string to another such that one char is changed at a time?

posted Nov 26, 2013 by anonymous

+4 votes

1 answer

Which is the quickest sorting method and why?

posted Nov 18, 2013 by anonymous

+4 votes

1 answer

Reverse node of loop of link list ??

posted Nov 11, 2013 by Anuj Yadav

+4 votes

0 answers

WAP to arrange element of array ?

posted Nov 8, 2013 by Anuj Yadav

+4 votes

1 answer

Give a good data structure for having n queues.

posted Nov 4, 2013 by Anuj Yadav

+4 votes

2 answers

Delete all element from one array which are already in another ?

posted Nov 4, 2013 by Mona Sharma

+4 votes

1 answer

How to find if given binary tree is binary search tree?

posted Oct 30, 2013 by Majula Joshi

+4 votes

2 answers

How to implement doubly LinkList using single LinkList?

posted Oct 25, 2013 by anonymous

+4 votes

2 answers

C: Find the string which is made up of maximum number of other strings ?

posted Oct 18, 2013 by Vikram Singh

+4 votes

2 answers

Input List => 1 2 3 4 5 6 7 8 9 10 11 Output List => 3 2 1 6 5 4 9 8 7 10 11

posted Oct 10, 2013 by Neeraj Mishra

+3 votes

1 answer

How does sieve of atkin (modern way to compute prime number up to n) works and what is it's complexity?

posted Aug 5, 2016 by Shahsikant Dwivedi

+3 votes

0 answers

Given an array A of n elements, find three indices i,j & k such that A[i]^2+A[j]^2=A[k]^2 ?

posted Jun 28, 2016 by Shivam Kumar Pandey

+3 votes

1 answer

How to create BST by using Inorder and Postorder traversal?

posted Jun 17, 2016 by Shahsikant Dwivedi

+3 votes

1 answer

What data structure would you mostly likely see in a non recursive implementation of a recursive algorithm?

posted May 12, 2016 by Hasan Raza

+3 votes

1 answer

How to find all possible subset of a set?

posted Apr 4, 2016 by Shahsikant Dwivedi

+3 votes

0 answers

Please explain the algorithm of Coin changing problem with Dynamic Programming?

posted Mar 18, 2016 by Shahsikant Dwivedi

+3 votes

0 answers

How to find shortest path in a multistage graph using dynamic programming?

posted Mar 8, 2016 by anonymous

+3 votes

1 answer

Print all Jumping Numbers smaller than or equal to a given value.

posted Feb 11, 2016 by anonymous

+3 votes

2 answers

How to find the first non-repeated element in an unsorted array?

posted Dec 15, 2015 by anonymous

+3 votes

1 answer

Can any one solve this problem (a Game) in c or c++ or any other language?

posted Dec 6, 2015 by Rajan Paswan

+3 votes

1 answer

Given an active stream of sorted arrays, how would you merge them efficiently?

posted Nov 16, 2015 by Saif Khanam

+3 votes

2 answers

A list contains a set of numbers, one number presents once and other numbers present even no. of times.

posted Oct 26, 2015 by Vikram Singh

+3 votes

1 answer

Print all permutations of a string and share the complexity of the algorithm?

posted Oct 14, 2015 by anonymous

+3 votes

1 answer

How to divide an array into two parts so that average of both the arrays are equal?

posted Oct 12, 2015 by anonymous

+3 votes

0 answers

What is optimal way to communicate with the web server while fetching the images, using javascript?

posted Mar 29, 2015 by Prakash

+3 votes

1 answer

How to find largest prime factor of a positive integer?

posted Mar 19, 2015 by anonymous

+3 votes

2 answers

Why quicksort is called quick though it is not the fastest?

posted Nov 12, 2014 by anonymous

+3 votes

1 answer

Rock Paper and Scissor Implementation in C?

posted Nov 5, 2014 by anonymous

+3 votes

2 answers

WAP which outputs contiguous sequence whose sum is maximum in an array (It can have all negatives number too).

posted Oct 11, 2014 by Harshita

+3 votes

1 answer

My question about comparing run time performance of bubble sort and selection sort?

posted Mar 5, 2014 by As M Ob

+3 votes

1 answer

Best way to calculate nCr mod m

posted Jan 3, 2014 by Pankaj Agarwal