Recursive solution 0ms Excel column title


  • 0
    M
    class Solution {
    public:
        string convertToTitle(int n) {
            if (n<27)
              return string(1,'A'+n-1);
            return convertToTitle((n-((n-1)%26+1))/26)+convertToTitle((n-1)%26+1);
        }
    };

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