LeetCode題目: 448. Find All Numbers Disappeared in an Array My solution: /** * @param {number[]} nums * @return {number[]} */ let findDisappearedNumbers =...

LeetCode題目: 434. Number of Segments in a String My solution: /** * @param {string} s * @return {number} */ let countSegments = s => { s = s.repla...

LeetCode題目: 441. Arranging Coins My solution: /** * @param {number} n * @return {number} */ let arrangeCoins = n => { for(let i=1; i<=n; i++) ...

LeetCode題目: 217. Contains Duplicate My solution: /** * @param {number[]} nums * @return {boolean} */ let containsDuplicate = nums => { let map = ...

LeetCode題目: 693. Binary Number with Alternating Bits My solution: /** * @param {number} n * @return {boolean} */ let hasAlternatingBits = n => { ...