freeCodeCamp/curriculum/challenges/english/08-coding-interview-prep/project-euler/problem-322-binomial-coefficients-divisible-by-10.english.md

id	challengeType	title
5900f4af1000cf542c50ffc1	5	Problem 322: Binomial coefficients divisible by 10

Description

Let T(m, n) be the number of the binomial coefficients iCn that are divisible by 10 for n ≤ i < m(i, m and n are positive integers). You are given that T(109, 107-10) = 989697000.

Find T(1018, 1012-10).

Instructions

Tests

tests:
  - text: <code>euler322()</code> should return 999998760323314000.
    testString: assert.strictEqual(euler322(), 999998760323314000, '<code>euler322()</code> should return 999998760323314000.');

Challenge Seed

function euler322() {
  // Good luck!
  return true;
}

euler322();

Solution

// solution required