C Software Developer Interview Questions

3,501 c software developer interview questions shared by candidates

2. Technical Round Introduction and Project Discussion Topics Covered: C++: Vectors (storage, limit, syntax) Pointers & Reference Variables Array pointers: creation & destruction new and delete operators Virtual Functions, Polymorphism Virtual Destructor (GFG output prediction) Virtual Tables & v-pointers (definition) DSA Question: Check if a Linked List is a Palindrome Interview was very helpful, with guidance and corrections provided throughout.
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C++ Developer

Interviewed at Accelya Group

3.4
Jun 12, 2025

2. Technical Round Introduction and Project Discussion Topics Covered: C++: Vectors (storage, limit, syntax) Pointers & Reference Variables Array pointers: creation & destruction new and delete operators Virtual Functions, Polymorphism Virtual Destructor (GFG output prediction) Virtual Tables & v-pointers (definition) DSA Question: Check if a Linked List is a Palindrome Interview was very helpful, with guidance and corrections provided throughout.

1. Sort array with ones and zeros. This was the most "complicated" part. 2. Complexity of insert/delete/find in double linked list, binary tree. Complexity of sort of array of numbers, of sorted array of numbers. 3. Questions like what order ctors/dtors work. 4. Some crap with 2 classes having static shared ptr for kernel object, where kernel was class poorly written. Like what's wrong with the code was the question. 5. int x; int &j; j=x; What's wrong? Reference should be assigned to a variable when declared actually. Other questions very primitive.
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Senior Software Developer C++

Interviewed at Scalable Solutions

3.8
Feb 19, 2021

1. Sort array with ones and zeros. This was the most "complicated" part. 2. Complexity of insert/delete/find in double linked list, binary tree. Complexity of sort of array of numbers, of sorted array of numbers. 3. Questions like what order ctors/dtors work. 4. Some crap with 2 classes having static shared ptr for kernel object, where kernel was class poorly written. Like what's wrong with the code was the question. 5. int x; int &j; j=x; What's wrong? Reference should be assigned to a variable when declared actually. Other questions very primitive.

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