39 lines
549 B
Markdown
39 lines
549 B
Markdown
---
|
|
id: 5900f43a1000cf542c50ff4d
|
|
title: 'Problem 206: Concealed Square'
|
|
challengeType: 5
|
|
forumTopicId: 301847
|
|
dashedName: problem-206-concealed-square
|
|
---
|
|
|
|
# --description--
|
|
|
|
Find the unique positive integer whose square has the form 1_2_3_4_5_6_7_8_9_0, where each “\_” is a single digit.
|
|
|
|
# --hints--
|
|
|
|
`euler206()` should return 1389019170.
|
|
|
|
```js
|
|
assert.strictEqual(euler206(), 1389019170);
|
|
```
|
|
|
|
# --seed--
|
|
|
|
## --seed-contents--
|
|
|
|
```js
|
|
function euler206() {
|
|
|
|
return true;
|
|
}
|
|
|
|
euler206();
|
|
```
|
|
|
|
# --solutions--
|
|
|
|
```js
|
|
// solution required
|
|
```
|