GuilinDev

Lc0168

05 August 2008

168 Excel Sheet Column Title

把数字转化为Excel中的字母

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class Solution {
    public String convertToTitle(int n) {
        StringBuilder result = new StringBuilder();

        while(n > 0){
            n--;
            result.insert(0, (char)('A' + n % 26));
            n /= 26;
        }

        return result.toString();
    }
}