Most voted questions under tag algorithms

+8 votes

1 answer

Find all triplets in an array.

posted Feb 3, 2014 by Atiqur Rahman

+8 votes

1 answer

Convert the given string into palindrome with minimum number of appends ?

posted Dec 10, 2013 by Diya Sharma

+8 votes

2 answers

Divide the array in two subarray such that difference of the sum is minimum?

posted Nov 12, 2013 by Prakash Singh

+8 votes

1 answer

How to find longest path of a given binary tree?

posted Oct 28, 2013 by Sanketi Garg

+8 votes

1 answer

What are some useful but not so popular data structure?

posted Oct 28, 2013 by anonymous

+8 votes

2 answers

How to delete the duplicate elements in a linklist?

posted Oct 28, 2013 by anonymous

+7 votes

0 answers

How to find the lowest common ancestor of the two given nodes in a Tree?

posted Jan 2, 2014 by anonymous

+7 votes

1 answer

Print cousins of a given node in a tree?

posted Nov 26, 2013 by anonymous

+7 votes

1 answer

Check if a tree is a subtree of another tree?

posted Nov 26, 2013 by anonymous

+7 votes

1 answer

Print Border of given Tree in Anticlockwise Direction ?

posted Nov 23, 2013 by Diya Sharma

+7 votes

1 answer

Find the Common Ancestor and Print the Path.

posted Nov 23, 2013 by anonymous

+7 votes

3 answers

Is there a way to multiply matrices in lesser than o(n^3) time complexity?

posted Nov 18, 2013 by Anuj Yadav

+7 votes

1 answer

Find number of anagram groups ?

posted Nov 18, 2013 by Vikas Upadhyay

+7 votes

0 answers

Given two n-node trees, how many rotations does it take to convert one tree into the other?

posted Nov 18, 2013 by Vikas Upadhyay

+7 votes

0 answers

Spider and Fly.

posted Nov 18, 2013 by Anuj Yadav

+7 votes

1 answer

Find the path with least sum between two zeros in a matrix?

posted Nov 17, 2013 by Anuj Yadav

+7 votes

2 answers

Multiply two numbers represented by linked lists ?

posted Oct 29, 2013 by Anuj Yadav

+7 votes

1 answer

How to draw a circle without use of floating point computation?

posted Oct 29, 2013 by Mona Sharma

+7 votes

1 answer

As a web server developer how can you make sure you have never seen the same content before ??

posted Oct 29, 2013 by Mona Sharma

+7 votes

2 answers

How to know the size of the loop (only the loop size) in a single Link List?

posted Oct 28, 2013 by Salil Agrawal

+6 votes

0 answers

Numbers that are not divided by square of its lower terms.

posted Jun 28, 2016 by Shivam Kumar Pandey

+6 votes

0 answers

Find the largest rectangle area for a given histogram using stack or other data structures.

posted Jun 22, 2016 by Shivam Kumar Pandey

+6 votes

2 answers

What is a Level Order Traversal in Binary Tree and What it's application?

posted Jun 9, 2016 by Shahsikant Dwivedi

+6 votes

1 answer

Write a program to find common alphabet in all the strings.

posted Mar 25, 2016 by Shahsikant Dwivedi

+6 votes

0 answers

Generate random number form 1 - 100 with probability of 1/100.

posted Feb 2, 2014 by Atiqur Rahman

+6 votes

1 answer

Algo: How to analyse the algorithm for its complexity ?

posted Jan 29, 2014 by Vimal Kumar Mishra

+6 votes

2 answers

Print a binary tree from top to bottom in level order

posted Jan 3, 2014 by Salil Agrawal

+6 votes

2 answers

Implement a function to find the first character in a string which only appears once.

posted Dec 12, 2013 by Anuj Yadav

+6 votes

1 answer

Given a matrix with 1s and 0s ?

posted Dec 12, 2013 by Gaurav Sharma

+6 votes

0 answers

Connect same level nodes without level order traversal in a Binary Tree?

posted Nov 26, 2013 by anonymous

+6 votes

2 answers

Count Number of Non Leaf Nodes of a given Tree ?

posted Nov 23, 2013 by Mona Sharma

+6 votes

2 answers

Check whether a Tree and its Mirror Image are same?

posted Nov 23, 2013 by Mona Sharma

+6 votes

2 answers

How to print all right nodes of tree?

posted Nov 23, 2013 by anonymous

+6 votes

3 answers

How would you rotate an NxN matrix by 90 degrees clockwise?

posted Nov 18, 2013 by Anuj Yadav

+6 votes

0 answers

Write a program to rearrange the 16 squares to get original big square ??

posted Oct 29, 2013 by Mona Sharma

+5 votes

2 answers

Function that returns count of prime factors of given number

posted Jun 24, 2016 by Shivam Kumar Pandey

+5 votes

1 answer

Write a program to identify a sentace is a Pangram or not.

posted Mar 22, 2016 by Shahsikant Dwivedi

+5 votes

1 answer

Efficient way to remove the duplicate in an array?

posted Mar 1, 2014 by Jai Prakash

+5 votes

1 answer

How to find MAX-XOR in an array?

posted Dec 16, 2013 by Atiqur Rahman

+5 votes

1 answer

Find the area of the Orthogonal Polygon.

posted Dec 15, 2013 by Atiqur Rahman

+5 votes

0 answers

print the longest path of a binary tree ?

posted Dec 12, 2013 by Mona Sharma

+5 votes

1 answer

Given an unsorted array, find the max length of subsequence ?

posted Dec 12, 2013 by Gaurav Sharma

+5 votes

1 answer

String Path in Matrix ?

posted Dec 12, 2013 by Gaurav Sharma

+5 votes

1 answer

Minimum number of swaps required to transform one string to other

posted Nov 25, 2013 by Raghu

+5 votes

1 answer

Give an algorithm to find nth number generated from list of prime numbers?

posted Nov 24, 2013 by Raghu

+5 votes

1 answer

How to solve Josephus Problem using Linked List?

posted Nov 23, 2013 by Mona Sharma

+5 votes

1 answer

How to find nodes in a tree which has longest path?

posted Nov 23, 2013 by Anuj Yadav

+5 votes

1 answer

what is tail recursion?

posted Nov 22, 2013 by anonymous

+5 votes

1 answer

Find 100 closest points to the origin in a Cartesian plane?

posted Nov 18, 2013 by Mona Sharma

+5 votes

0 answers

Find All possible paths down stairs.

posted Nov 18, 2013 by Mona Sharma