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Summary Answers Questions Tags Badges Favorites Bounties Reputation All actions

189 Questions

Views Newest Activity Votes

votes

answers

34k

views

Efficiently checking if a number is divisible by 3

java bitwise

Aug 8 '17 at 16:23 maaartinus 13.3k

votes

answers

64k

views

Check for balanced parentheses

java algorithm strings stack

Sep 3 '15 at 22:59 Community♦ 1

votes

answers

75k

views

A* search algorithm

java algorithm search graph pathfinding

Feb 13 '18 at 3:58 Soni Sori 1

votes

answers

30k

views

Find all paths from source to destination

java algorithm graph complexity

Aug 9 '16 at 6:44 Community♦ 1

votes

answer

22k

views

Excel column string to row number and vice versa

java algorithm number-systems

Nov 28 '18 at 21:16 Michael Akerman 1

votes

answers

views

Count the one islands in the matrix

java matrix

Mar 7 '15 at 22:01 ferada 9,938

votes

answers

60k

views

Huffman code implementation

java algorithm compression

Jan 29 '18 at 11:18 user159231 1

votes

answers

955

views

Speed dating algorithm to select the pair of dates

java algorithm

Mar 26 '14 at 16:01 Morwenn 19.4k

votes

answers

31k

views

Find the value nearest to k in the sorted array

java algorithm array

May 17 '16 at 9:47 Community♦ 1

votes

answers

28k

views

Creating a binary search tree

java algorithm tree

May 18 '15 at 17:22 Community♦ 1

votes

answers

947

views

Find biggest basin

java algorithm matrix backtracking

May 11 '14 at 18:45 janos 104k

votes

answers

views

Find a path through a maze

java pathfinding

Feb 10 '14 at 9:38 abuzittin gillifirca 6,207

votes

answers

19k

views

Find intersections of overlapping intervals

java optimization interval

May 16 '14 at 21:40 Jamal♦ 34.1k

votes

answers

10k

views

Interval search tree

java algorithm tree interval

May 29 '16 at 16:32 Jamal♦ 34.1k

votes

answers

views

Print all nodes that are at distance k from a leaf node

java tree

Sep 4 '15 at 0:13 200_success 138k

votes

answers

views

Given a Perfect Binary Tree, reverse the alternate level nodes of the binary tree

java algorithm tree

Sep 17 '14 at 11:30 Pimgd 21.8k

votes

answers

views

Check if directed graph contains a cycle

java graph

Jul 24 '14 at 4:34 Jamal♦ 34.1k

votes

answer

16k

views

Merge two linked list

java linked-list hashcode

Jul 12 '14 at 19:23 Community♦ 1

votes

answer

views

Assembly line scheduling

java algorithm dynamic-programming

Apr 13 '14 at 21:50 David Harkness 8,643

votes

answer

views

Tower of Hanoi solver

java algorithm game recursion tower-of-hanoi

Nov 29 at 6:32 AJNeufeld 15.5k

votes

answers

31k

views

Implementation of Dijkstra's algorithm

java algorithm graph

Dec 3 '16 at 3:54 Community♦ 1

votes

answers

47k

views

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

java tree

Nov 21 '15 at 20:35 Jamal♦ 34.1k

votes

answers

views

Check if a binary tree is balanced

java algorithm tree

Feb 14 '15 at 0:19 janos 104k

votes

answers

views

Iterator of iterator

java algorithm iterator

Jul 22 '14 at 6:34 Community♦ 1

votes

answer

views

Find the Next Greatest Element

java algorithm stack

Jun 22 '14 at 3:19 rolfl 94.5k

votes

answers

views

Calculate fibonacci in O(log n)

java matrix fibonacci-sequence

May 29 '14 at 3:59 200_success 138k

votes

answers

views

Jump game to find minimum hops from source to destination

java algorithm

Mar 16 '14 at 11:44 Community♦ 1

votes

answers

43k

views

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

java matrix

Aug 8 '17 at 4:12 Jamal♦ 34.1k

votes

answer

10k

views

Counting inversions

java sorting mergesort

Mar 25 '16 at 8:57 Divya Paliwal 1

votes

answers

10k

views

Implement a queue using a linked list

java linked-list queue

Nov 16 '15 at 10:03 Community♦ 1

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189 Questions

Efficiently checking if a number is divisible by 3

Check for balanced parentheses

A* search algorithm

Find all paths from source to destination

Excel column string to row number and vice versa

Count the one islands in the matrix

Huffman code implementation

Speed dating algorithm to select the pair of dates

Find the value nearest to k in the sorted array

Creating a binary search tree

Find biggest basin

Find a path through a maze

Find intersections of overlapping intervals

Interval search tree

Print all nodes that are at distance k from a leaf node

Given a Perfect Binary Tree, reverse the alternate level nodes of the binary tree

Check if directed graph contains a cycle

Merge two linked list

Assembly line scheduling

Tower of Hanoi solver

Implementation of Dijkstra's algorithm

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

Check if a binary tree is balanced

Iterator of iterator

Find the Next Greatest Element

Calculate fibonacci in O(log n)

Jump game to find minimum hops from source to destination

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

Counting inversions

Implement a queue using a linked list