LeetCode - Excel Sheet Column Title
2015-03-29 23:11
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时隔几分钟又来写一个题,这个应该算个水题。
public class Solution { public String convertToTitle(int n) { StringBuilder ans = new StringBuilder(); if(n < 1) ans.append(""); else { while(n-- > 0) { char ch = (char) (n % 26 + 'A'); ans.append(ch); n /= 26; } } return ans.reverse().toString(); } }
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