题解 | #数组中重复的数字#
数组中重复的数字
https://www.nowcoder.com/practice/6fe361ede7e54db1b84adc81d09d8524
import java.util.*;
public class Solution {
public int duplicate (int[] nums) {
Arrays.sort(nums);
for(int i=0;i<nums.length;){
if(nums[i]!=nums[i+1]){
i++;
}else{
return nums[i];
}
}
return -1;
}
}
