Problem-solving questions based on arrays, LinkedList & Trees. Java questions, System Design etc.
Lead Backend Developer Interview Questions
15,496 lead backend developer interview questions shared by candidates
how to make the system I wrote on my home ex to be scalable or support High Availability .
Dynamic programming
Reverse a string, and then make the answer more efficient, and find the most common ancestor in a heap.
They asked me to scan a string and return true if it could be divided into substrings that all appear in a dictionary. Then I had to identify its complexity at 2^n and improve it.
Optimization on LCA
Just typical question: 1. strstr, get the top kth most frequency from an array 2. sort color, get next largest one from BT 3. strstr, Ternary expression to BT 4. sort color
find the index of substring
1. finding LCA 2. Deep Graph Copy 3. puzzle involving digital weight and marbles and dutch flag.
Dynamic programming questions.
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