781 B
781 B
id | challengeType | title | forumTopicId |
---|---|---|---|
5900f46e1000cf542c50ff81 | 5 | Problem 258: A lagged Fibonacci sequence | 301906 |
Description
gk = 1, for 0 ≤ k ≤ 1999 gk = gk-2000 + gk-1999, for k ≥ 2000. Find gk mod 20092010 for k = 1018.
Instructions
Tests
tests:
- text: <code>euler258()</code> should return 12747994.
testString: assert.strictEqual(euler258(), 12747994);
Challenge Seed
function euler258() {
return true;
}
euler258();
Solution
// solution required