[GO] Birthday attack calculation in Ruby

53% chance of colliding 23 birthdays in 365 days

total = 365.0
 1 - (2..22).inject((total - 1) / total) { |result, n| result * (total - n)/total }
=> 0.5072972343239855

Recommended Posts

Birthday attack calculation in Ruby
Class in Ruby
Heavy in Ruby! ??
Ruby score calculation program
Ruby calorie calculation output
Output triangle in Ruby
Variable type in ruby
Fast popcount in Ruby
ABC177 --solving E in Ruby
Validate JWT token in Ruby
Implemented XPath 1.0 parser in Ruby
Read design patterns in Ruby
Write class inheritance in Ruby
Update Ruby in Unicorn environment
Integer unified into Integer in Ruby 2.4
[Ruby] Exception handling in functions
Use ruby variables in javascript.
Multiplication in a Ruby array
About regular expressions in Ruby
Judgment of fractions in Ruby
Find Roman numerals in Ruby
Try using gRPC in Ruby
[Ruby] Find numbers in arrays
NCk mod p in Ruby
Chinese Remainder Theorem in Ruby
Basics of sending Gmail in Ruby
How to iterate infinitely in Ruby
Try to implement Yubaba in Ruby
Implementation of ls command in Ruby
Achieve 3-digit delimited display in Ruby
Encoding when getting in Windows + Ruby
Run GraphQL Ruby resolver in parallel
Ruby on Rails Japanese-English support i18n
[Ruby] then keyword and case in
How to install Bootstrap in Ruby
String output method memo in Ruby
Implement a gRPC client in Ruby
Write keys and values in Ruby
[Super Introduction] About Symbols in Ruby
Hanachan in Ruby (non-destructive array manipulation)
Manipulating data in GCS during Ruby
Is there no type in Ruby?
Try file locking in Ruby directory
[Ruby] undefined method `dark?'occurs in rqr_code
openssl version information in ruby OPENSSL_VERSION
Ruby methods often used in Rails
Calculation that adds in order from 1
Make Ruby segfault in two lines