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Most answered questions under tag data structures

+4 votes
4 answers
I am looking for the non recursive code (C/C++ for Binary Search Tree, Please help?
posted Dec 6, 2015 by anonymous
  • c
  • tree
  • data structures
+3 votes
4 answers
Make palindrome of link list's element
posted Oct 23, 2013 by Anuj Yadav
  • c
  • data structures
  • c programming
+2 votes
4 answers
what is the difference between merge sort and quick sort ?
posted Sep 4, 2013 by Vikram Singh
  • data structures
+1 vote
3 answers
Why one should use Heap where we have STL (set)?
posted May 30, 2016 by anonymous
  • c++
  • data structures
+3 votes
3 answers
Write a C program to implement stack using single linked list?
posted Apr 2, 2016 by anonymous
  • linklist
  • c
  • data structures
  • interview questions
+2 votes
3 answers
Write a Algorithm that counts number of nodes in the circular linked list?
posted Mar 1, 2016 by Mohammed Hussain
  • c
  • linklist
  • algorithms
  • data structures
+2 votes
3 answers
How to print leaf nodes of a binary tree?
posted Jan 27, 2016 by anonymous
  • data structures
  • tree
+1 vote
3 answers
How to find the Nth Fibonacci number in O(log N) time complexity?
posted Dec 18, 2015 by anonymous
  • data structures
  • algorithms
  • interview questions
+3 votes
3 answers
Explain Insertion Sorting with example in Data Structures and Algorithm?
posted Feb 10, 2015 by Jalal
  • data structures
+2 votes
3 answers
If we have pointer to head of a linked list, suggest ways to jump to the middle element of the linked list?
posted Sep 26, 2014 by anonymous
  • data structures
  • linklist
+1 vote
3 answers
Data Structure: What is the efficient way to delete middle node of a singly linked list ?
posted May 18, 2014 by Ganesh Kumar
  • data structures
  • c programming
  • c
  • linklist
  • algorithms
+4 votes
3 answers
Maximum size square sub-matrix with all 1 s, Recusively
posted Dec 28, 2013 by Atiqur Rahman
  • algorithms
  • data structures
  • programming
+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
  • data structures
  • c
  • algorithms
  • c programming
+6 votes
3 answers
How would you rotate an NxN matrix by 90 degrees clockwise?
posted Nov 18, 2013 by Anuj Yadav
  • data structures
  • c
  • c programming
  • algorithms
+5 votes
3 answers
WAP to find whether given adjacency matrix represents Graph or Tree?
posted Nov 11, 2013 by Prakash Singh
  • algorithms
  • data structures
+6 votes
3 answers
Reverse the words in a string without changing their order?
posted Oct 30, 2013 by Salil Agrawal
  • data structures
  • c
  • c programming
+6 votes
3 answers
Reverse the order of the words
posted Oct 29, 2013 by Mona Sharma
  • c
  • c programming
  • data structures
+2 votes
3 answers
How to print element of 2d matrix in spiral?
posted Oct 23, 2013 by Anuj Yadav
  • c
  • data structures
  • c programming
+1 vote
2 answers
How to print all prime factor of a number in descending order using a stack?
posted Jul 7, 2017 by Ajay Kumar
  • data structures
  • c
+1 vote
2 answers
PROGRAM TO IMPLEMENT MULTIPLE STACK IN A SINGLE ARRAY C LANGUAGE
posted Sep 29, 2016 by Sathyasree
  • c
  • data structures
+2 votes
2 answers
C: Write a compact code to reverse the singly linked list using recursion?
posted Aug 31, 2016 by Rupam
  • interview questions
  • data structures
  • linklist
  • c
  • algorithms
+6 votes
2 answers
What is a ternary search tree? Explain it with basic operations of a tree.
posted Jun 28, 2016 by Shivam Kumar Pandey
  • tree
  • data structures
+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
  • tree
  • data structures
  • interview questions
  • algorithms
+1 vote
2 answers
How to find inorder successor in a binary search tree, sample C/C++ code would be helpful?
posted May 16, 2016 by anonymous
  • data structures
  • tree
  • interview questions
  • c
  • c++
+3 votes
2 answers
What is a list of data structures that a competitive programmer must know?
posted Apr 30, 2016 by anonymous
  • data structures
+5 votes
2 answers
Write a recursive function to insert a node in a sorted single kinked list.
posted Apr 22, 2016 by Ajay Kumar
  • c
  • data structures
  • linklist
+2 votes
2 answers
Can a complete binary tree be full binary tree, please explain with an example?
posted Mar 28, 2016 by anonymous
  • data structures
  • tree
+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
  • linklist
  • data structures
  • algorithms
  • interview questions
  • c
+3 votes
2 answers
How to insert an element in the middle of doubly LinkList?
posted Mar 9, 2016 by Aditi
  • data structures
  • linklist
  • c
+2 votes
2 answers
What is merge sort and how it works?
posted Mar 7, 2016 by Divya Nayak
  • data structures
+4 votes
2 answers
Build two stacks using single array one is forward direction and is backward?
posted Feb 3, 2016 by anonymous
  • array
  • data structures
  • stack
  • c
  • interview questions
0 votes
2 answers
What is difference between HashMap and HashTable?
posted Dec 16, 2015 by anonymous
  • data structures
  • hash
+2 votes
2 answers
What is time complexity of euclidean method to find GCD?
posted Dec 10, 2015 by anonymous
  • algorithms
  • data structures
+3 votes
2 answers
DS: Write program to reverse a singly linked list ?
posted Dec 10, 2015 by Vikram Singh
  • data structures
  • c
  • linklist
+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
  • data structures
  • algorithms
+3 votes
2 answers
Write a function to find the depth of a binary tree? Please give sample code?
posted Nov 23, 2015 by Mohammed Hussain
  • data structures
  • c
+2 votes
2 answers
How to check if a given Binary Tree is Heap?
posted Nov 3, 2015 by anonymous
  • data structures
  • tree
  • c
+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
  • c programming
  • c
  • algorithms
  • data structures
+2 votes
2 answers
Given a string and two words which are present in the string, find the minimum distance between the words
posted Oct 24, 2015 by anonymous
  • c
  • java
  • string
  • data structures
+4 votes
2 answers
In an integer array, there is 1 to 100 number, out of one is duplicate, how to find ?
posted Aug 7, 2015 by Mohammed Hussain
  • data structures
+3 votes
2 answers
Give a basic algorithm for searching a binary search tree?
posted Apr 15, 2015 by Jalal
  • data structures
+6 votes
2 answers
What is Huffman’s algorithm?
posted Mar 31, 2015 by Jalal
  • data structures
+3 votes
2 answers
Differentiate file structure from storage structure?
posted Feb 10, 2015 by Jalal
  • data structures
+1 vote
2 answers
what is DataStructure? Explain its need?
posted Dec 4, 2014 by Amer
  • data structures
+3 votes
2 answers
Why quicksort is called quick though it is not the fastest?
posted Nov 12, 2014 by anonymous
  • quicksort
  • data structures
  • algorithms
+2 votes
2 answers
How to find out merge point (node) of two singly linked list ?
posted Nov 2, 2014 by anonymous
  • data structures
  • linklist
  • c
+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
  • c
  • data structures
  • algorithms
+3 votes
2 answers
How would you find out if one of the pointers in a linked list is corrupted or not?
posted Sep 24, 2014 by Aarti Jain
  • data structures
  • c
  • linklist
0 votes
2 answers
What is the difference between LinkList and Stack?
posted Aug 14, 2014 by anonymous
  • data structures
  • linklist
+1 vote
2 answers
Knapsack problem with size 50?
posted May 9, 2014 by As M Ob
  • algorithms
  • data structures
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