First Unique Character in a String1 [Leetcode][자바스크립트][Easy] 387. First Unique Character in a String 풀이 /** * 387_FirstUniqueCharacterInAString.js * Easy * https://leetcode.com/problems/first-unique-character-in-a-string/ */ var firstUniqChar = function(s) { const strHash = {}; const sArr = s.split(""); sArr.forEach((char) => { if (!strHash[char]) { strHash[char] = 1; } else { strHash[char]++; } }); for (let i = 0; i < sArr.length; i++) { if (strHash[sArr[i]] === 1) return i; } return -1; }; 해시.. 2022. 1. 10. 이전 1 다음
