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Recent questions under tag algorithms

+6 votes
1 answer
Algo: How to analyse the algorithm for its complexity ?
posted Jan 29, 2014 by Vimal Kumar Mishra
  • data structures
  • algorithms
+2 votes
1 answer
Write code to return the index of first occurrence of element of sorted array ??
posted Jan 19, 2014 by anonymous
  • c
  • data structures
  • algorithms
  • c programming
  • algo
+3 votes
1 answer
Best way to calculate nCr mod m
posted Jan 3, 2014 by Pankaj Agarwal
  • algorithms
  • data structures
+6 votes
2 answers
Print a binary tree from top to bottom in level order
posted Jan 3, 2014 by Salil Agrawal
  • data structures
  • c
  • tree
  • algorithms
+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
  • data structures
  • c
  • algorithms
  • tree
+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
+5 votes
1 answer
How to find MAX-XOR in an array?
posted Dec 16, 2013 by Atiqur Rahman
  • algorithms
  • bit_hacks
  • data structures
+5 votes
1 answer
Find the area of the Orthogonal Polygon.
posted Dec 15, 2013 by Atiqur Rahman
  • algorithms
  • data structures
+5 votes
0 answers
print the longest path of a binary tree ?
posted Dec 12, 2013 by Mona Sharma
  • data structures
  • c
  • c programming
  • algorithms
  • tree
+4 votes
2 answers
How to verify whether a binary tree is balanced tree?
posted Dec 12, 2013 by Mona Sharma
  • c programming
  • tree
  • c
  • data structures
  • algorithms
+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
  • c
  • c programming
  • algorithms
  • data structures
+4 votes
0 answers
Calculate 1+2+…+n without multiplication?
posted Dec 12, 2013 by Anuj Yadav
  • c
  • c programming
  • data structures
  • algorithms
+4 votes
1 answer
What is the last number, if we delete nth number of a circle ?
posted Dec 12, 2013 by Diya Sharma
  • data structures
  • algorithms
  • c
  • c programming
+5 votes
1 answer
Given an unsorted array, find the max length of subsequence ?
posted Dec 12, 2013 by Gaurav Sharma
  • data structures
  • c
  • c programming
  • algorithms
+6 votes
1 answer
Given a matrix with 1s and 0s ?
posted Dec 12, 2013 by Gaurav Sharma
  • c programming
  • data structures
  • c
  • algorithms
+5 votes
1 answer
String Path in Matrix ?
posted Dec 12, 2013 by Gaurav Sharma
  • c programming
  • c
  • data structures
  • algorithms
+2 votes
1 answer
C: Difference between random number generator and pseudo random number generator ?
posted Dec 12, 2013 by Neeraj Mishra
  • c
  • c programming
  • algorithms
+8 votes
1 answer
Convert the given string into palindrome with minimum number of appends ?
posted Dec 10, 2013 by Diya Sharma
  • algorithms
  • data structures
  • c
  • c programming
  • string
+1 vote
0 answers
Programming puzzle: How do you design a boolean circuit in python?
posted Dec 9, 2013 by Sonu Jindal
  • python
  • algorithms
+3 votes
1 answer
Tic-Tac-Toe alogorithm
posted Dec 6, 2013 by anonymous
  • algorithms
  • data structures
+3 votes
0 answers
Coin Denomination Problem Solution in polynomial time
posted Dec 2, 2013 by Pankaj Agarwal
  • algorithms
  • dynamic programming
  • data structures
+2 votes
2 answers
Rearrange even and odd numbers
posted Nov 30, 2013 by anonymous
  • data structures
  • algorithms
  • array
+4 votes
1 answer
Best way to find if two numbers are coprime?
posted Nov 29, 2013 by anonymous
  • c
  • data structures
  • algorithms
+3 votes
2 answers
How to find-out if given number is Fibannaci number?
posted Nov 28, 2013 by anonymous
  • data structures
  • c
  • c programming
  • algorithms
+3 votes
1 answer
How to find all permutations of a given string?
posted Nov 28, 2013 by Neelam
  • data structures
  • algorithms
  • c programming
  • c
+7 votes
1 answer
Print cousins of a given node in a tree?
posted Nov 26, 2013 by anonymous
  • algorithms
  • c
  • data structures
  • c programming
  • tree
+7 votes
1 answer
Check if a tree is a subtree of another tree?
posted Nov 26, 2013 by anonymous
  • data structures
  • c
  • c programming
  • algorithms
  • tree
+6 votes
0 answers
Connect same level nodes without level order traversal in a Binary Tree?
posted Nov 26, 2013 by anonymous
  • algorithms
  • data structures
  • c
  • tree
  • c programming
+4 votes
1 answer
convert one string to another such that one char is changed at a time?
posted Nov 26, 2013 by anonymous
  • data structures
  • algorithms
  • string
+5 votes
1 answer
Minimum number of swaps required to transform one string to other
posted Nov 25, 2013 by Raghu
  • algorithms
  • string
  • data structures
+5 votes
1 answer
Give an algorithm to find nth number generated from list of prime numbers?
posted Nov 24, 2013 by Raghu
  • algorithms
  • data structures
+6 votes
2 answers
Count Number of Non Leaf Nodes of a given Tree ?
posted Nov 23, 2013 by Mona Sharma
  • data structures
  • c
  • algorithms
  • c programming
+6 votes
2 answers
Check whether a Tree and its Mirror Image are same?
posted Nov 23, 2013 by Mona Sharma
  • data structures
  • algorithms
  • c
  • c programming
  • tree
+5 votes
1 answer
How to solve Josephus Problem using Linked List?
posted Nov 23, 2013 by Mona Sharma
  • data structures
  • c
  • c programming
  • algorithms
+5 votes
1 answer
How to find nodes in a tree which has longest path?
posted Nov 23, 2013 by Anuj Yadav
  • data structures
  • algorithms
  • c
  • c programming
  • tree
+7 votes
1 answer
Print Border of given Tree in Anticlockwise Direction ?
posted Nov 23, 2013 by Diya Sharma
  • c
  • data structures
  • algorithms
  • c programming
  • tree
+6 votes
2 answers
How to print all right nodes of tree?
posted Nov 23, 2013 by anonymous
  • data structures
  • algorithms
  • c programming
  • c
  • tree
+7 votes
1 answer
Find the Common Ancestor and Print the Path.
posted Nov 23, 2013 by anonymous
  • algorithms
  • data structures
  • c
  • tree
  • c programming
+5 votes
1 answer
what is tail recursion?
posted Nov 22, 2013 by anonymous
  • data structures
  • c
  • algorithms
+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
+7 votes
1 answer
Find number of anagram groups ?
posted Nov 18, 2013 by Vikas Upadhyay
  • algorithms
  • c
  • c programming
  • data structures
+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
  • c
  • data structures
  • algorithms
  • c programming
+7 votes
0 answers
Spider and Fly.
posted Nov 18, 2013 by Anuj Yadav
  • c
  • c programming
  • algorithms
  • data structures
+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
1 answer
Find 100 closest points to the origin in a Cartesian plane?
posted Nov 18, 2013 by Mona Sharma
  • c programming
  • c
  • algorithms
  • data structures
+5 votes
0 answers
Find All possible paths down stairs.
posted Nov 18, 2013 by Mona Sharma
  • data structures
  • algorithms
  • c
  • c programming
+4 votes
1 answer
Which is the quickest sorting method and why?
posted Nov 18, 2013 by anonymous
  • data structures
  • algorithms
  • c
  • c programming
  • c++
+5 votes
1 answer
print tree in zig zag order ?
posted Nov 17, 2013 by Mona Sharma
  • data structures
  • c programming
  • c
  • algorithms
+7 votes
1 answer
Find the path with least sum between two zeros in a matrix?
posted Nov 17, 2013 by Anuj Yadav
  • data structures
  • algorithms
  • c
  • c programming
+5 votes
0 answers
Find out a number which is palindrome in decimal and octal notation?
posted Nov 13, 2013 by anonymous
  • c
  • c programming
  • algorithms
  • data structures
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