Qualcomm Interview Questions, Process, and Tips

Nil nil nil nil nil nil

Q1. Nil nil nil nil nil nil
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Q2. Nil nil nil nil nil nil boss good
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Q1. It was a dsa coding question
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Q1. Its was also dsa coding ques
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Q1. Two-Sum Problem
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Q1. Transformers and DG, Chiller, Utility and STP and WTP operations
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Q2. Documenyation and break down equipment vendor follow up
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Q3. Man power handling and Weekend PPM activities
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Coding round coding round coding round

Q1. How are you doing
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Q2. What is your name
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Running stream median, priority queue, binary search, dp basic

Q1. Cycle in linked list
Ans. 
A cycle in a linked list occurs when a node points to a previous node in the list, creating a loop.
• Check for a cycle using two pointers - one moving one node at a time and the other moving two nodes at a time.

• If the two pointers meet at any point, there is a cycle in the linked list.

• Example: 1 -> 2 -> 3 -> 4 -> 2 (points back to 2), this linked list has a cycle.
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Q2. Construct a tree from pre and post.
Ans. 
Construct a tree from pre and post order traversal arrays.
• Start by creating a root node using the first element of the pre-order array.

• Find the index of the root node in the post-order array to divide it into left and right subtrees.

• Recursively build the left and right subtrees.

• Repeat the process for each subtree until the tree is fully constructed.
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