
Given an XOR and SUM of two numbers, how to find the number …
For example, If the XOR is 5 and the SUM is 9 there are 4 pairs satisfying the SUM and XOR. They are (2, 7), (3, 6), (6, 3), (7, 2). So 2+7=9 and 2^7=5. I just want to find the number of …
Using the XOR operator to calculate a checksum
Apr 26, 2017 · As part of a Google Foobar challenge, I'm trying to answer a rather difficult problem that involves the use of the XOR operator to calculate a checksum. While my solution …
Logical XOR operator in C++? - Stack Overflow
XOR evaluation, as you understand, cannot be short-circuited since the result always depends on both operands. So 1 is out of question. But what about 2? If you don't care about 2, then with …
Xor encryption in C - Code Review Stack Exchange
Apr 30, 2020 · Weaknesses of xor encryption, including but not limited to the encryption function is the decryption function.
Creating a "logical exclusive or" operator in Java
Observations: Java has a logical AND operator. Java has a logical OR operator. Java has a logical NOT operator. Problem: Java has no logical XOR operator, according to sun. I would …
Simple command-line XOR encryptor/decryptor for files
Feb 22, 2019 · I just made this simple XOR encryptor and decryptor. It needs a file with the "private" key string inside. usage: encryptor "file to encrypt/decrypt" "file with the private key" …
boolean - Difference between or and xor - Stack Overflow
2 one is exclusive or -> xor, and the other is or which means at least one of the conditions are met in a truth table. Or is not mutually exclusive, xor is.
XOR Encryption, Decryption, and Cracking in Python
Jul 15, 2020 · As five of the first six challenges are XOR related problems I thought it would be a good idea to compile my work into a single program capable of encrypting, decrypting, and …
How to make bit wise XOR in C - Stack Overflow
I'm trying to get into C programming, and I'm having trouble writing a bitwise XOR function with only ~ and & operators. Example: bitXor(4, 5) = 1. How can I achieve this? So far I have …
XOR of a list of a numbers - Code Review Stack Exchange
Jan 27, 2015 · In preparing a solution for the CodeChef "Will India Win" challenge, I am trying to find out the xor of list of numbers. The first line of input contains the number of test cases, 1 ≤ …