1.3 KiB
1.3 KiB
id | localeTitle | challengeType | title |
---|---|---|---|
5 | 5900f4c41000cf542c50ffd6 | 5 | Problem 343: Fractional Sequences |
Description
1/20 → 2/19 → 3/18 = 1/6 → 2/5 → 3/4 → 4/3 → 5/2 → 6/1 = 6
Entonces f (20) = 6.
También f (1) = 1, f (2) = 2, f (3) = 1 y Σf (k3) = 118937 para 1 ≤ k ≤ 100
Encuentra Σf (k3) para 1 ≤ k ≤ 2 × 106.
Instructions
Tests
tests:
- text: <code>euler343()</code> debe devolver 269533451410884200.
testString: 'assert.strictEqual(euler343(), 269533451410884200, "<code>euler343()</code> should return 269533451410884200.");'
Challenge Seed
function euler343() {
// Good luck!
return true;
}
euler343();
Solution
// solution required