1.0 KiB
1.0 KiB
id | challengeType | title |
---|---|---|
5900f5331000cf542c510046 | 5 | Problem 455: Powers With Trailing Digits |
Description
For example:
f(4) = 411728896 (4411728896 = ...490411728896) f(10) = 0 f(157) = 743757 (157743757 = ...567000743757) Σf(n), 2 ≤ n ≤ 103 = 442530011399 Find Σf(n), 2 ≤ n ≤ 106.
Instructions
Tests
tests:
- text: <code>euler455()</code> should return 450186511399999.
testString: assert.strictEqual(euler455(), 450186511399999, '<code>euler455()</code> should return 450186511399999.');
Challenge Seed
function euler455() {
// Good luck!
return true;
}
euler455();
Solution
// solution required