Backend Software Engineer Interview Questions

9,102 backend software engineer interview questions shared by candidates

//DELOITTE INTERVIEW QUESTION 2 //Split substring so no letter occurs more than once in each substring //Return the min num of substrings into which the string has to be split /* 1.Must always be true:no letter occurs more than once in each substring 2.Event forcing a boundary: Appearance of a letter more than once in a substring (a.k.a. duplicate detected) 3.Data Structure that tracks the constraint : Set */
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Junior Backend Developer

Interviewed at Deloitte

3.8
Mar 16, 2026

//DELOITTE INTERVIEW QUESTION 2 //Split substring so no letter occurs more than once in each substring //Return the min num of substrings into which the string has to be split /* 1.Must always be true:no letter occurs more than once in each substring 2.Event forcing a boundary: Appearance of a letter more than once in a substring (a.k.a. duplicate detected) 3.Data Structure that tracks the constraint : Set */

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