Problem Name Submissions  Accuracy  Tags Company
Max absolute difference 82 25.61 array - dp - kadane Google
Form coils in a matrix 30 20 matrix Yahoo
Word Boggle 579 10.88 backtracking - bfs - dfs - graph - trie Amazon - Directi - Facebook - Google - Microsoft - Nvidia
Count of AP Subsequences 97 32.99 dp
Substring - Subsequence problem 185 16.76 dp - string
Find all four sum numbers 1470 7.89 array - hashing - sorting Microsoft - Amazon - Google
Knight Walk 478 17.99 bfs - dfs - graph Microsoft - Amazon - Goldman Sachs
Partition a number into two divisible parts 346 21.39 maths - modular arithmetic - string
Replace O's with X's 415 15.66 graph - matrix - recursion Google
Trie | (Insert and Search) 171 39.18 trie
Number of Palindromic paths in a Matrix 128 35.16 matrix - palindrome
Divisibility tree 61 31.15 dfs - graph
Brain Game 362 3.59 combinatorics - maths
Shortest Source to Destination Path 720 13.06 bfs - dfs - graph - matrix Samsung
Tricky Subset Problem 308 5.84 dp
Minimums in Array 1827 9.91 array - stl
Snake and Ladder Problem 831 19.86 bfs - dfs - graph Amazon - Belzabar - Flipkart - MAQ Software
Mathematical manipulation 373 10.46 prime - sieve
Count the Number of Full Binary Trees 224 12.5 array - tree
Sonam Bewafa asks questions 352 5.4 array - binary search
Negative weight cycle 66 18.18 graph
Hamiltonian Path 199 16.58 backtracking - dfs - graph
Rotate and delete 241 28.22 greedy
Check if a string is repetition of its substring of k-length 191 31.94 map - strings
Largest Divisibility Test 307 19.22 maths
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