Problem Name Submissions  Accuracy  Tags Company
Strongly connected component (Tarjans's Algo) 35 28.57 graph
Solve the Sudoku 721 23.02 backtracking - matrix Amazon - Directi - Flipkart - MAQ Software - Microsoft - Oracle - PayPal - Zoho
N-Queen Problem 721 17.89 backtracking Amazon - Amdocs - MAQ - Twitter - Visa
Print all LCS sequences 262 14.89 backtracking - dp
Word Break - Part 2 1134 21.43 recursion Google - IBM
Longest valid Parentheses 3367 14.58 dp - stack Google
Boolean Parenthesization 943 17.39 dp Amazon - Microsoft
X Total Shapes 728 44.78 Graphs Amazon - Google
Number Formation 532 12.97 dp Goldman Sachs
Rohan's Love for Matrix 969 13.52 maths - matrix
Create your own Calculator 149 22.82 Gauss Elimination - Maths
Path of greater than equal to k length 420 30.95 backtracking - graph
A Simple Fraction 3005 13.88 hashing - maths Amazon - Microsoft
Sorting Elements of an Array by Frequency 3206 30.75 array - sorting Oracle
Allocate minimum number of pages 1023 20.92 searching Google
Return two prime numbers 1255 52.83 maths Yahoo
Rearrange an array with O(1) extra space 1267 62.59 array - maths
Find sum of different corresponding bits for all pairs 977 50.15 bit - maths Google
Largest Number formed from an Array 3584 27.46 array Amazon - Paytm
Find Prime numbers in a range 1585 41.64 prime
Head to Tail ordering 694 24.78 dfs - string
Maximum of minimum for every window size 704 48.86 stack
Minimum sum partition 2090 32.25 dp Amazon
Maximum Index 6263 31.15 array Amazon - Google
Minimum Points To Reach Destination 1681 23.08 dp