--- id: 5900f48b1000cf542c50ff9e challengeType: 5 title: 'Problem 287: Quadtree encoding (a simple compression algorithm)' videoUrl: '' localeTitle: '' --- ## Description undefined ## Instructions undefined ## Tests ```yml tests: - text: '' testString: 'assert.strictEqual(euler287(), 313135496, "euler287() should return 313135496.");' ``` ## Challenge Seed ```js function euler287() { // Good luck! return true; } euler287(); ``` ## Solution ```js // solution required ```
euler287()