src/main/java/com/fishercoder/solutions/_1366.java

package com.fishercoder.solutions;

import java.util.Arrays;
import java.util.Comparator;

public class _1366 {
    public static class Solution1 {
        class Node {
            int[] count = new int[26];
            char c;

            public Node(char c) {
                this.c = c;
            }
        }

        public String rankTeams(String[] votes) {
            Node[] nodes = new Node[26];
            for (int i = 0; i < 26; i++) {
                nodes[i] = new Node((char) (i + 'A'));
            }
            for (String vote : votes) {
                for (int i = 0; i < vote.length(); i++) {
                    nodes[vote.charAt(i) - 'A'].count[i]++;
                }
            }
            Arrays.sort(nodes, new Comparator<Node>() {
                @Override
                public int compare(Node o1, Node o2) {
                    for (int i = 0; i < 26; i++) {
                        if (o1.count[i] != o2.count[i]) {
                            return o2.count[i] - o1.count[i];
                        }
                    }
                    return o1.c - o2.c;
                }
            });
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < votes[0].length(); i++) {
                sb.append(nodes[i].c);
            }
            return sb.toString();
        }

    }
}