g0101_0200.s0168_excel_sheet_column_title.Solution Maven / Gradle / Ivy

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Java-based LeetCode algorithm problem solutions, regularly updated

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package g0101_0200.s0168_excel_sheet_column_title;

// #Easy #String #Math #2022_06_25_Time_0_ms_(100.00%)_Space_41.3_MB_(58.37%)

public class Solution {
    public String convertToTitle(int n) {
        StringBuilder sb = new StringBuilder();
        while (n != 0) {
            int remainder = n % 26;
            if (remainder == 0) {
                remainder += 26;
            }
            if (n >= remainder) {
                n -= remainder;
                sb.append((char) (remainder + 64));
            }
            n /= 26;
        }
        return sb.reverse().toString();
    }
}