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JavaDeveloper
  • Member for 9 years
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32 votes
4 answers
78k views

A* search algorithm

32 votes
7 answers
66k views

Check for balanced parentheses

12 votes
3 answers
61k views

Huffman code implementation

7 votes
2 answers
48k views

Create a tree from a list of nodes with parent pointers only

6 votes
2 answers
43k views

Given N*N matrix, rotate it by 90 degree to left and right without extra memory

10 votes
7 answers
38k views

Find the value nearest to k in the sorted array

57 votes
8 answers
36k views

Efficiently checking if a number is divisible by 3

22 votes
3 answers
32k views

Find all paths from source to destination

7 votes
3 answers
31k views

Implementation of Dijkstra's algorithm

10 votes
3 answers
28k views

Creating a binary search tree

19 votes
1 answer
24k views

Excel column string to row number and vice versa

10 votes
2 answers
22k views

Find intersections of overlapping intervals

5 votes
5 answers
21k views

Circular queue implementation

6 votes
3 answers
18k views

Find meaningful words from the input string

5 votes
1 answer
17k views

Expression tree creation from postfix expression

8 votes
1 answer
17k views

Merge two linked list

2 votes
2 answers
16k views

Iterator for binary tree - pre, in, and post order iterators

6 votes
1 answer
15k views

Code to construct a complete graph

4 votes
2 answers
15k views

Boggle solver in Java

5 votes
2 answers
12k views

Rotate an image by 90 degrees

2 votes
2 answers
12k views

Finding a route in maze matrix

8 votes
3 answers
11k views

Interval search tree

3 votes
1 answer
10k views

Insert in circular linked list

6 votes
3 answers
10k views

Flatten iterator for nested list

6 votes
1 answer
10k views

Counting inversions

6 votes
2 answers
10k views

Implement a queue using a linked list

3 votes
3 answers
10k views

Permutation of a string eliminating duplicates

6 votes
2 answers
10k views

Finding greatest value in array smaller than x

3 votes
1 answer
9k views

Create a binary tree, code review request

3 votes
1 answer
9k views

Add two numbers represented by a linked list

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