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Most answered questions under tag algorithms

0 votes
1 answer
Given an unordered array A of size n and integer x, What is best complexity to find two elements in A whose sum is x?
posted May 27, 2017 by anonymous
  • algorithms
  • interview questions
  • c
+1 vote
1 answer
Given set of N points/Co-ordinates [(x1,y1),(x2,y2), (x3,y3), (x4,y4), (x5,y5)...] find if any of them form square.
posted Mar 2, 2017 by anonymous
  • c
  • interview questions
  • algorithms
0 votes
1 answer
What is the difference between O(1) and O(5) in terms of algorithm complexity?
posted Feb 20, 2017 by anonymous
  • algorithms
  • interview questions
+2 votes
1 answer
ALGO: What are all possible ways to find out missing two numbers from a number series 1,2 ,3 .... N ?
posted Jan 24, 2017 by Vikram Singh
  • algorithms
  • algo
  • interview questions
  • c
+1 vote
1 answer
Given an array and query ranges to get sum of each range.
posted Oct 25, 2016 by anonymous
  • algorithms
+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
  • linklist
  • c
  • data structures
  • interview questions
  • algorithms
+2 votes
1 answer
Calculate all permutations for an array of integers.
posted Aug 23, 2016 by Mohammed Hussain
  • data structures
  • algorithms
0 votes
1 answer
Find Buy/Sell Prices in Array of Stock Values to Maximize Profit
posted Aug 19, 2016 by Mohammed Hussain
  • algorithms
  • data structures
+4 votes
1 answer
Largest Difference in an Array
posted Aug 19, 2016 by Mohammed Hussain
  • algorithms
  • c
  • data structures
+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
  • algorithms
+2 votes
1 answer
Find total number of ways to make change using given set of coins
posted Jul 31, 2016 by Hasan Raza
  • c
  • data structures
  • algorithms
  • array
+2 votes
1 answer
how to find maximum sum of the contiguous elements in an array?
posted Jul 30, 2016 by Shahsikant Dwivedi
  • algorithms
  • interview questions
  • array
+2 votes
1 answer
Find a matrix within another matrix?
posted Jul 22, 2016 by anonymous
  • algorithms
  • c
+2 votes
1 answer
Illegal prime numbers
posted Jul 5, 2016 by Shivam Kumar Pandey
  • algorithms
  • c++
  • c
  • java
  • programming
+1 vote
1 answer
Find smallest and largest element in an array in constant time complexity.
posted Jun 28, 2016 by Shivam Kumar Pandey
  • algorithms
+3 votes
1 answer
How to create BST by using Inorder and Postorder traversal?
posted Jun 17, 2016 by Shahsikant Dwivedi
  • tree
  • interview questions
  • algorithms
+1 vote
1 answer
How to find ancestor of a node?
posted Jun 14, 2016 by Shubham Sharma
  • tree
  • data structures
  • algorithms
+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
  • algorithms
  • data structures
  • interview questions
+1 vote
1 answer
Is there any standard way to calcuate space and time complexity for any program/algorithm?
posted Apr 25, 2016 by anonymous
  • algorithms
  • interview questions
+1 vote
1 answer
ALGO: Write algorithm to print all possible string by placing spaces between characters ?
posted Apr 22, 2016 by Harshita
  • interview questions
  • algorithms
  • c programming
0 votes
1 answer
ALGO: What is the diameter of a tree and what is the way to find it ?
posted Apr 8, 2016 by Vikram Singh
  • data structures
  • algorithms
  • algo
+3 votes
1 answer
How to find all possible subset of a set?
posted Apr 4, 2016 by Shahsikant Dwivedi
  • interview questions
  • c
  • algorithms
+2 votes
1 answer
Calculate this multiplication in less than O(n) complexity.
posted Apr 4, 2016 by anonymous
  • algorithms
  • c
  • interview questions
+6 votes
1 answer
Write a program to find common alphabet in all the strings.
posted Mar 25, 2016 by Shahsikant Dwivedi
  • c
  • string
  • algorithms
+5 votes
1 answer
Write a program to identify a sentace is a Pangram or not.
posted Mar 22, 2016 by Shahsikant Dwivedi
  • c
  • string
  • algorithms
0 votes
1 answer
How to reverse a string using binary search?
posted Mar 13, 2016 by anonymous
  • string
  • c
  • algorithms
  • c++
+1 vote
1 answer
ALGO: How to implement queue by using stack ?
posted Mar 13, 2016 by Harshita
  • algorithms
0 votes
1 answer
Best algorithm to complete tower of hanoi problem?
posted Mar 1, 2016 by anonymous
  • algorithms
  • c
  • interview questions
+2 votes
1 answer
How to check given Number is same after 180 degree rotation?
posted Feb 25, 2016 by anonymous
  • interview questions
  • algorithms
+1 vote
1 answer
What is dynamic programming?
posted Feb 24, 2016 by anonymous
  • algorithms
+2 votes
1 answer
Count how many integers from 1 to N contains 0's as a digit?
posted Feb 22, 2016 by anonymous
  • algorithms
  • interview questions
  • c
+2 votes
1 answer
How to find prime numbers between given intervals?
posted Feb 22, 2016 by anonymous
  • algorithms
  • c
  • interview questions
0 votes
1 answer
Program to print all ancestors of a node in Binary tree?
posted Feb 18, 2016 by Rajan Paswan
  • algorithms
  • data structures
  • tree
+3 votes
1 answer
Print all Jumping Numbers smaller than or equal to a given value.
posted Feb 11, 2016 by anonymous
  • algorithms
  • c
  • c++
+1 vote
1 answer
Program to topological sort in Directed acyclic graph?
posted Feb 9, 2016 by anonymous
  • algorithms
  • c
  • c++
+4 votes
1 answer
How to write Euclid's GCD non-recursive algorithm?
posted Feb 8, 2016 by anonymous
  • algorithms
  • c
+2 votes
1 answer
Finding day of a given date using C, can someone help me with the code and algorithm?
posted Feb 6, 2016 by anonymous
  • c
  • algorithms
  • interview questions
+4 votes
1 answer
How to multiply two very big numbers without overflow ?
posted Feb 3, 2016 by anonymous
  • interview questions
  • algorithms
  • c
0 votes
1 answer
Write an algorithm for Copying a Binary Tree in dfs (data file structure).
posted Jan 27, 2016 by Latha
  • data structures
  • algorithms
+2 votes
1 answer
What is the time complexity of Dijkstra’s algorithm (Assume graph is connected)
posted Jan 18, 2016 by anonymous
  • algorithms
  • data structures
+2 votes
1 answer
Convert a number m to n with minimum operations. The operations allowed were -1 and *2.
posted Jan 14, 2016 by anonymous
  • data structures
  • algorithms
  • interview questions
+2 votes
1 answer
What is the default behavior of the GGSN if no Validity Time AVP is sent from the OCS?
posted Jan 5, 2016 by Ronald Hudson
  • lte
  • diameter
  • ggsn
  • ue
  • algorithms
+1 vote
1 answer
What is time complexity of Minimum Spanning tree of adjacency matrix representation using prim's algorithm?
posted Dec 28, 2015 by anonymous
  • algorithms
+2 votes
1 answer
How to implement Minimum spanning tree using prim's algorithm?
posted Dec 28, 2015 by anonymous
  • algorithms
+2 votes
1 answer
How to implement a C / C++ program for Dijkstra's shortest path algorithm.
posted Dec 24, 2015 by anonymous
  • algorithms
  • c
  • data structures
+1 vote
1 answer
How to implement dijkstra's algorithm using adjacency list representation of graph?
posted Dec 23, 2015 by anonymous
  • algorithms
+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
  • algorithms
  • data structures
  • c
+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
  • c
  • algorithms
+2 votes
1 answer
What is Hamming code problem in algorithm?
posted Dec 6, 2015 by Rajan Paswan
  • algorithms
+2 votes
1 answer
How to check if expression has redundant braces using C?
posted Dec 4, 2015 by anonymous
  • c
  • algorithms
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