[LC] 2264 Largest 3-Same-Digit Number in String

Java

/**
 * <a href="https://leetcode.cn/problems/largest-3-same-digit-number-in-string/">Largest 3-Same-Digit Number in String</a>
 * 字符串
 */
class Solution {
    public String largestGoodInteger(String num) {
        for (int i = 9; i >= 0; i--) {
            String str = Integer.toString(i).repeat(3);
            if (num.contains(str)) {
                return str;
            }
        }
        return "";
    }
}

Go

import (
    "strconv"
    "strings"
)

func largestGoodInteger(num string) string {
    for i := 9; i >= 0; i-- {
        str := strings.Repeat(strconv.Itoa(i), 3)
        if strings.Contains(num, str) {
            return str
        }
    }
    return ""
}