168. Excel Sheet Column Title

168. Excel Sheet Column Title

Given a positive integer, return its corresponding column title as appear in an Excel sheet.

For example:

1 -> A 2 -> B 3 -> C ... 26 -> Z 27 -> AA 28 -> AB

class Solution { public String convertToTitle(int n) { String result = ""; while(n > 0){ result = (char)((n - 1) % 26 + 'A') + result; n = (n-1) / 26; } return result; }}

class Solution { public String convertToTitle(int n) { String answer = ""; while(n > 0) { int mod = (n - 1) % 26; n = (n - 1) / 26; answer = (char)(mod + 65) + answer; } return answer; }}

/** * @param {number} n * @return {string} */var convertToTitle = function(n) { let result = "" while (n > 0) { let digit = n % 26 n = Math.floor(n / 26) if (digit === 0) { n-- digit = 26 } let char = String.fromCharCode(64 + digit) result = char + result } return result};

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