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import java.util.HashMap;
import java.util.Map;/*** @program: Test* @description: 645 错误的集合* @author: gyf* @create: 2025-03-23 10:22**/
public class Test {public static void main(String[] args) {}public static int[] findErrorNums(int[] nums) {int[] arr = new int[2];Map<Integer, Integer> map = new HashMap<>(); // 10:2 12:1 13:1for (int num : nums) {map.put(num, map.getOrDefault(num, 0) + 1);}for (int i = 1; i <= nums.length; i++) {int count = map.getOrDefault(i, 0);if (count == 2) {arr[0] = i;} else if (count == 0) {arr[1] = i;}}return arr;}
}