997. 找到小镇的法官

java">package JavaExercise20241002;public class JavaExercise {public static void main(String[] args) {int[][] array = {{1,3},{2,3},{3,1}};Solution solution = new Solution();System.out.println(solution.findJudge(3, array));}
}class Solution {public int findJudge(int n, int[][] trust) {int[] out = new int[n + 1];int[] in = new int[n + 1];for (int[] edges : trust) {int x = edges[0];int y = edges[1];out[x]++;in[y]++;}for (int i = 1; i <= n; i++) {if (out[i] == 0 && in[i] == (n - 1)) {return i;}}return -1;}
}