문제https://softeer.ai/practice/6277풀이(25분)import java.io.*;import java.util.*;public class Main { static int n, k; static HashMap> dots = new HashMap(); static int answer = Integer.MAX_VALUE; public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st; st = new StringToken..