The following questions were for the SDE-3 backend role on hackerrank\n\nDuration : 150 minutes\n\n Q1 : Subsequence Removal\n\n![image](https://assets.leetcode.com/users/images/76488729-b586-497e-8ea9-c17d0f4c54b0_1600677067.241926.png)\n\n![image](https://assets.leetcode.com/users/images/8f0048c5-1f46-4f13-9233-264e9912e4f8_1600677067.1680138.png)\n\n Q2 : Divisibilty Of Strings\n\n![image](https://assets.leetcode.com/users/images/3a7d023a-3ef9-4f7b-b96b-3a81d4065a9b_1600677078.9677522.png)\n\n![image](https://assets.leetcode.com/users/images/a822515e-4c2c-4722-beef-07e69993cc97_1600677078.2335973.png)\n\n Q3 : Grouping Options\n\n![image](https://assets.leetcode.com/users/images/39249165-493d-41d9-90d5-31e43582386d_1600677096.1295333.png)\n\n![image](https://assets.leetcode.com/users/images/c52bdd08-bfa4-459b-b929-c8422ef34901_1600677095.9101524.png)\n\n Q4 : Almost Sorted!\n\n![image](https://assets.leetcode.com/users/images/d0f8b7b1-1a04-4d6d-a881-50e4d1d881fb_1600677116.3346927.png)\n\n![image](https://assets.leetcode.com/users/images/3d34e443-0aac-409f-9be1-d89c546296d2_1600677116.2430112.png)

The following questions were for the SDE-3 backend role on hackerrank\n\nDuration : 150 minutes\n\n Q1 : Subsequence Removal\n\n\n\n\n\n Q2 : Divisibilty Of Str