Software Developer C Interview Questions

1,018 software developer c interview questions shared by candidates

Some questions and practical examples were legitimate, like multithreading behavior leading to zombie processes. Some were rather synthetic or just examples of bad code that you should never see anyway, like what would this do: int i = 5; int x =10; i+++++j;
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Middle Software Developer C++

Interviewed at Innowise Group

3.8
Aug 20, 2025

Some questions and practical examples were legitimate, like multithreading behavior leading to zombie processes. Some were rather synthetic or just examples of bad code that you should never see anyway, like what would this do: int i = 5; int x =10; i+++++j;

Given an integer array and another number, find a pair whose sum is given number. Best solution is to use unordered map <int, int> then use this logic map[sum - a[i]] = a[i]; // O(n) then, for each a[i], if map[a[i]] present then that will be the answer. // O(n)
Feb 27, 2018

Given an integer array and another number, find a pair whose sum is given number. Best solution is to use unordered map <int, int> then use this logic map[sum - a[i]] = a[i]; // O(n) then, for each a[i], if map[a[i]] present then that will be the answer. // O(n)

what is destructor ,CharAt(),Memoryleaked,Dispose(), write a program to swap without sing temp variable, program to find duplicate in a string and return bool if it has duplicate. Be prepared with memory management topic and string programs
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Software Developer C#

Interviewed at Scientific Games

3.6
Dec 12, 2017

what is destructor ,CharAt(),Memoryleaked,Dispose(), write a program to swap without sing temp variable, program to find duplicate in a string and return bool if it has duplicate. Be prepared with memory management topic and string programs

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