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Code Reviews

The Arduino Puzzle Box Challenge

Objective: Design and construct an interactive puzzle box that incorporates various sensors and output devices, controlled by an Arduino. The puzzle box should require the user to complete a series […]

Coding Challenges

** What will this program output? ** “`c++ #include unsigned long long factorial(int n) { if (n == 0 || n == 1) { return 1; } return n * […]

Does anybody have a solution for the Raspberry Pi 4 and Pi Camera v1.3 , its not detecting

I have tried to connect Pi camera Rev 1.3 to Pi 4 and software doesn’t have the legacy camera option which used to be there, does any on have solution […]

Coding Challenges

What will be the output of this program when num is 5? #include <stdio.h> int computeSum(int n) { if (n == 0) return 0; else return n + computeSum(n – […]

Fibonacci Word C# Coding Challenge

A **Fibonacci** Word is a specific sequence of binary digits (or symbols from any two-letter alphabet). The Fibonacci Word is formed by repeated concatenation in the same way that the […]

Coding Challenges

What will be the output of this code? def find_combinations(nums, target): if target == 0: return [[]] if target < 0 or not nums: return [] result = [] for […]

Coding Challenges

What will be the output of this program when n is 50? #include <stdio.h> void fibonacci(int n) { int a = 0, b = 1, c = 0; printf("Fibonacci Sequence […]

Caesar’s Cipher

Julius Caesar protected his confidential information by encrypting it using a cipher. Caesar’s cipher shifts each letter by a number of letters. If the shift takes you past the end […]

Swap Odd and Even Bits

Write a C function to swap all odd and even bits in an unsigned integer. Bit positions 0, 2, 4, … are considered even bits, and positions 1, 3, 5, […]

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