ramiroaisen

// [dependencies]
// pin_project = "1"
// tokio = { version = "1", features = "time" }
// hyper = { version = "1" }

use std::{pin::Pin, task::{Context, Poll}, time::Duration};
use std::future::Future;
use tokio::{io::{AsyncRead, AsyncWrite}, time::Sleep};
use pin_project::pin_project;

ramiroaisen

/**
 *  @param p {number} - The total number of different possibilities (days in a year)
 *  @param n {number} - The number of occurrences (number of people)
 *  @returns {number} - The probability of at least two people having the same birthday. @min 0 - @max 1 
 */

export const birthday_problem = (p, n) => {
  let acc = 1;
  for(let i = 1; i < n; i++) {
    acc *= (1 - ( i / p ));