[LeetCode] Excel Sheet Column Title
2015-01-02 15:21
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Given a positive integer, return its corresponding column title as appear in an Excel sheet.
For example:
For example:
1 -> A 2 -> B 3 -> C ... 26 -> Z 27 -> AA 28 -> AB
class Solution { public: string convertToTitle(int n) { string ans = ""; if(n < 1) return ""; while(n){ n --; char c = n % 26 + 'A'; ans = c + ans; n /= 26; } return ans; } };
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