1.0 KiB
1.0 KiB
id | challengeType | title |
---|---|---|
5900f4f11000cf542c510002 | 5 | Problem 388: Distinct Lines |
Description
From the origin O(0,0,0) all lines are drawn to the other lattice points. Let D(N) be the number of distinct such lines.
You are given that D(1 000 000) = 831909254469114121.
Find D(1010). Give as your answer the first nine digits followed by the last nine digits.
Instructions
Tests
tests:
- text: <code>euler388()</code> should return 831907372805130000.
testString: 'assert.strictEqual(euler388(), 831907372805130000, "<code>euler388()</code> should return 831907372805130000.");'
Challenge Seed
function euler388() {
// Good luck!
return true;
}
euler388();
Solution
// solution required