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#1256 - Encode Number
Problem Description
Given a non-negative integer num, Return its encoding string.
The encoding is done by converting the integer to a string using a secret function that you should deduce from the following table:
Solution
/**
* @param {number} num
* @return {string}
*/
var encode = function(num) {
return (num + 1).toString(2).slice(1);
};