Given an XOR and SUM of two numbers, how to find the number of …
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 pairs that satisfies …
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 works, my …
c# - XOR Operator - How does it work? - Stack Overflow
Can you please explain me in plain English what is the XOR (^) operator and what it does in the following code: public int GetHashCode(Box bx) { int hCode = bx.Height ^ bx.Length ^ bx.Width;
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 cracking using …
How do you get the logical xor of two variables in Python?
Apr 30, 2017 · The xor operator on two booleans is logical xor (unlike on ints, where it's bitwise). Which makes sense, since bool is just a subclass of int, but is implemented to only have the values 0 and 1. …
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.
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 normalized …
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 ≤ T ≤ 106.
What's the difference between XOR and NOT-EQUAL-TO?
My question uses Java as an example, but I guess it applies to probably all. Is there any practical difference between the XOR operator (^ in Java) and the not-equal-to operator (!= in Java), when
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" "output file" To