BETA
Problem Name Submissions  Accuracy  Tags Company
First non-repeating character in a stream 286 19.58 hashing | linked list | queue Amazon | Flipkart | Microsoft | Payu | Yahoo
Magical Box 1 100 geometry | Maths
Express as sum of power of natural numbers 64 37.5 maths | recursion
Rearrange characters 223 34.53 heap | STL | string Amazon
Length of largest region of 1's 658 30.09 dfs | graph Amazon
Check Mirror in N-ary tree 323 28.17 queue | stack | STL | tree Amazon
Largest prime factor 1063 11.1 maths | prime | sieve Yahoo
Reverse Delete Algorithm for Minimum Spanning Tree 46 28.26 graph
Find whether path exist 870 30.8 bfs | graph | matrix Adobe | Amazon
Is Sudoku Valid 369 43.63 matrix Amazon | Google
Distance of nearest cell having 1 323 21.67 bfs | graph | matrix
Print leaf nodes from preorder traversal of BST 347 27.95 BST | recursion | stack Facebook
Max absolute difference 691 25.04 array | dp | kadane Google
Form coils in a matrix 76 26.32 matrix Yahoo
Word Boggle 1882 10.1 backtracking | bfs | dfs | graph | trie Amazon | Directi | Facebook | Google | Microsoft | Nvidia | Yahoo
Count of AP Subsequences 218 28.9 dp
Substring - Subsequence problem 477 20.13 dp | string
Find all four sum numbers 2533 8.92 array | hashing | sorting Amazon | Google | Microsoft
Knight Walk 908 20.93 bfs | dfs | graph Amazon | Goldman Sachs | Microsoft
Partition a number into two divisible parts 459 23.53 maths | modular arithmetic | string
Replace O's with X's 721 15.4 graph | matrix | recursion Google
Trie | (Insert and Search) 291 39.18 trie
Number of Palindromic paths in a Matrix 143 40.56 matrix | palindrome
Divisibility tree 79 32.91 dfs | graph
Brain Game 420 4.29 combinatorics | maths
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