Most viewed questions under tag algorithms

+1 vote

1 answer

Which data structure is best for english words dictionary and why ??

posted Oct 17, 2013 by Vikas Upadhyay

0 votes

1 answer

How to reverse a string using binary search?

posted Mar 13, 2016 by anonymous

+2 votes

1 answer

Illegal prime numbers

posted Jul 5, 2016 by Shivam Kumar Pandey

+4 votes

1 answer

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

posted Oct 30, 2013 by Majula Joshi

+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

0 votes

1 answer

How we can find all non duplicate pairs of an array which has a sum S.

posted Jun 22, 2014 by Salil Agrawal

+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

+2 votes

1 answer

Find a matrix within another matrix?

posted Jul 22, 2016 by anonymous

+2 votes

1 answer

Calculate this multiplication in less than O(n) complexity.

posted Apr 4, 2016 by anonymous

+8 votes

2 answers

How to delete the duplicate elements in a linklist?

posted Oct 28, 2013 by anonymous

+1 vote

3 answers

How to find the Nth Fibonacci number in O(log N) time complexity?

posted Dec 18, 2015 by anonymous

+7 votes

1 answer

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

posted Oct 29, 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

+3 votes

2 answers

How to find-out if given number is Fibannaci number?

posted Nov 28, 2013 by anonymous

+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

+2 votes

1 answer

how to find maximum sum of the contiguous elements in an array?

posted Jul 30, 2016 by Shahsikant Dwivedi

+2 votes

1 answer

The Knapsack problem.

posted Apr 29, 2014 by Muskan

0 votes

0 answers

WAP to find the minimum number of swaps required for arranging pairs adjacent to each other?

posted Mar 21, 2016 by anonymous

+2 votes

1 answer

Write code to return the index of first occurrence of element of sorted array ??

posted Jan 19, 2014 by anonymous

+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

+5 votes

2 answers

print all the combinations of the digits of a given number

posted Oct 12, 2013 by Sony Mohanty

+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

+2 votes

1 answer

How to find prime numbers between given intervals?

posted Feb 22, 2016 by anonymous

+1 vote

2 answers

ALGO: Does the circular linked list and loop in the linked list have same meaning or different ?

posted Mar 20, 2016 by Harshita

+2 votes

1 answer

D.S : Write a C program which gives the result of subtraction of two numbers represented by linked list ?

posted Sep 4, 2016 by Ganesh

+2 votes

2 answers

How time complexity of DFS is O(V+E) if we use adjacency lists for representing the graphs?

posted Dec 8, 2015 by anonymous

+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

+6 votes

0 answers

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

posted Nov 26, 2013 by anonymous

+5 votes

2 answers

Subarray which has maximum sum.

posted Oct 12, 2013 by Diya Sharma

+1 vote

1 answer

Find the Rotation Count in Rotated Sorted array

posted Apr 29, 2014 by Merry

+1 vote

1 answer

Given a set S of n integers find all possible subsets(a,b,c) such that a + b + c = 0.

posted Jun 21, 2014 by anonymous

+6 votes

0 answers

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

posted Feb 2, 2014 by Atiqur Rahman

+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

1 answer

Efficient way to remove the duplicate in an array?

posted Mar 1, 2014 by Jai Prakash

+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

+1 vote

2 answers

Given an array, How to find the first element that appears an even number of times?

posted Dec 15, 2015 by anonymous

+5 votes

2 answers

Function that returns count of prime factors of given number

posted Jun 24, 2016 by Shivam Kumar Pandey

+1 vote

1 answer

C: Write a program to find clusters in a given M*N matrix ?

posted Aug 5, 2014 by Harshita

+2 votes

1 answer

Provide an algorithm to add and multiply two large integers which cannot be represented by built-in types.

posted Dec 10, 2015 by anonymous

–1 vote

2 answers

Write a C program to Sort a Linked List of 0s, 1s and 2s?

posted Aug 18, 2016 by Mohammed Hussain

+5 votes

1 answer

Find the area of the Orthogonal Polygon.

posted Dec 15, 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

+2 votes

1 answer

How to check if expression has redundant braces using C?

posted Dec 4, 2015 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

+1 vote

0 answers

what the code that give me the run time for counting sort

posted Apr 21, 2014 by As M Ob

+6 votes

1 answer

Given a matrix with 1s and 0s ?

posted Dec 12, 2013 by Gaurav Sharma

+6 votes

2 answers

Check whether a Tree and its Mirror Image are same?

posted Nov 23, 2013 by Mona Sharma

+1 vote

1 answer

Find smallest and largest element in an array in constant time complexity.

posted Jun 28, 2016 by Shivam Kumar Pandey

+1 vote

2 answers

Knapsack problem with size 50?

posted May 9, 2014 by As M Ob

+3 votes

2 answers

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

posted Dec 15, 2015 by anonymous