Most voted questions under tag data structures

+4 votes

1 answer

Searching for an element in a circular sorted array Explain detail?

posted May 8, 2015 by Mohammed Hussain

+4 votes

1 answer

What is the minimum number of queues needed when implementing a priority queue?

posted Apr 21, 2015 by Jalal

+4 votes

1 answer

Briefly explain recursive algorithm?

posted Mar 27, 2015 by Jalal

+4 votes

1 answer

How do you reference all the elements in a one-dimension array?

posted Feb 10, 2015 by Jalal

+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

1 answer

Sudo code to delete 'n' th node of a linked list from the last ?

posted Nov 1, 2014 by Ganesh

+4 votes

1 answer

Sorting a list of strings without using any built-in sort method

posted Apr 18, 2014 by Muskan

+4 votes

0 answers

How to construct BFS-suitable data structure for adjacency list?

posted Apr 18, 2014 by Merry

+4 votes

1 answer

How to print a number in binary form in C/C++?

posted Jan 7, 2014 by Amit Mishra

+4 votes

0 answers

Print a binary tree from bottom to top in level order

posted Jan 2, 2014 by anonymous

+4 votes

1 answer

Write a c Program for Pyramid ?

posted Dec 30, 2013 by Giri Prasad

+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

What are the limitation to use recursive function?

posted Nov 24, 2013 by sivanraj

+4 votes

2 answers

Swap the ith and jth Bits for a 32-Bit Integer.

posted Nov 23, 2013 by Vikas Upadhyay

+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

How to swap the two consecutive bits of unsigned integer ?

posted Nov 4, 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 convert a binary tree into binary search tree?

posted Oct 27, 2013 by anonymous

+4 votes

1 answer

How to get preorder sequence from a post order sequence in a binary tree?

posted Oct 25, 2013 by Priyanshi Goyal

+4 votes

2 answers

How to implement doubly LinkList using single LinkList?

posted Oct 25, 2013 by anonymous

+4 votes

1 answer

How many number of binary tree possible for N number of nodes?

posted Oct 21, 2013 by Vikas Upadhyay

+4 votes

2 answers

How to find if a binary tree is mirror image of another binary tree?

posted Oct 21, 2013 by anonymous

+4 votes

1 answer

How to implement Least Recently Used Algorithm using C/C++ ??

posted Oct 17, 2013 by Vikas Upadhyay

+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

+4 votes

2 answers

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

posted Sep 28, 2013 by Vivek Singh

+4 votes

2 answers

Can someone write C program to remove duplicate entries from an array with less than O(n2) complexity ?

posted Sep 18, 2013 by Ganesh Kumar

+3 votes

1 answer

DS: Write a program to find the sum of nodes present at the kth level of a binary tree ?

posted Jan 12, 2017 by Rupam

+3 votes

0 answers

How to get data of previous node that is (k-1) when head is pointing to k node?

posted Sep 6, 2016 by Shivam Kumar Pandey

+3 votes

0 answers

Is it possible to get the numbers in non-decreasing order by using Preorder traversal for any min heap?

posted Jul 26, 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 Implement Segment Tree Sum of given Tree Segment?

posted Apr 30, 2016 by anonymous

+3 votes

0 answers

Longest subarray whose elements form a continuous sequence?

posted Apr 30, 2016 by anonymous

+3 votes

2 answers

What is a list of data structures that a competitive programmer must know?

posted Apr 30, 2016 by anonymous

+3 votes

1 answer

How to find out if there is cycle in Directed graph using C?

posted Apr 14, 2016 by anonymous

+3 votes

3 answers

Write a C program to implement stack using single linked list?

posted Apr 2, 2016 by anonymous

+3 votes

2 answers

How to insert an element in the middle of doubly LinkList?

posted Mar 9, 2016 by Aditi

+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

Is there any possible to doubly linked list be implemented using a single pointer variable in every node?

posted Mar 2, 2016 by Mohammed Hussain

+3 votes

1 answer

How the Kernel handles the copy on write bit of a page, when the bit is set?

posted Jan 4, 2016 by Mohammed Hussain

+3 votes

2 answers

DS: Write program to reverse a singly linked list ?

posted Dec 10, 2015 by Vikram Singh

+3 votes

0 answers

Given a binary tree print it in inward spiral order i.e first print level 1, then level n, then 2, then n-1 and so on?

posted Dec 10, 2015 by anonymous