bd68b70f3d
* fix: remove isHidden flag from frontmatter * fix: add isUpcomingChange Co-authored-by: Ahmad Abdolsaheb <ahmad.abdolsaheb@gmail.com> * feat: hide blocks not challenges Co-authored-by: Ahmad Abdolsaheb <ahmad.abdolsaheb@gmail.com> Co-authored-by: Ahmad Abdolsaheb <ahmad.abdolsaheb@gmail.com>
1002 B
1002 B
id, challengeType, title, forumTopicId
| id | challengeType | title | forumTopicId |
|---|---|---|---|
| 5900f4f11000cf542c510002 | 5 | Problem 388: Distinct Lines | 302052 |
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);
Challenge Seed
function euler388() {
// Good luck!
return true;
}
euler388();
Solution
// solution required