Problem Name Submissions  Accuracy  Tags Company
Strongly connected component (Tarjans's Algo) 18 33.33 graph
Solve the Sudoku 382 22.25 backtracking - matrix Amazon - Directi - Flipkart - MAQ Software - Microsoft - Oracle - PayPal - Zoho
N-Queen Problem 377 17.77 backtracking Amazon - Amdocs - MAQ - Twitter - Visa
Print all LCS sequences 192 17.71 backtracking - dp
Word Break - Part 2 1066 20.64 recursion Google - IBM
Longest valid Parentheses 2837 15.07 dp - stack Google
Boolean Parenthesization 727 18.71 dp Amazon - Microsoft
X Total Shapes 614 43.97 Graphs Amazon - Google
Number Formation 462 12.99 dp Goldman Sachs
Rohan's Love for Matrix 872 13.3 maths - matrix
Create your own Calculator 134 24.63 Gauss Elimination - Maths
Path of greater than equal to k length 399 29.82 backtracking - graph
A Simple Fraction 2861 13.67 hashing - maths Amazon - Microsoft
Sorting Elements of an Array by Frequency 2842 30.3 array - sorting Oracle
Allocate minimum number of pages 930 20.86 searching Google
Return two prime numbers 1129 53.32 maths Yahoo
Rearrange an array with O(1) extra space 1160 61.98 array - maths
Find sum of different corresponding bits for all pairs 888 49.55 bit - maths Google
Largest Number formed from an Array 3281 27.95 array Amazon - Paytm
Find Prime numbers in a range 1443 40.26 prime
Head to Tail ordering 613 23.82 dfs - string
Maximum of minimum for every window size 660 48.48 stack
Minimum sum partition 1939 32.23 dp Amazon
Maximum Index 5627 31.37 array Amazon - Google
Minimum Points To Reach Destination 1570 23.38 dp