题解 | #二分查找-I#
二分查找-I
https://www.nowcoder.com/practice/d3df40bd23594118b57554129cadf47b
import java.util.*; public class Solution { /** * 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可 * * * @param nums int整型一维数组 * @param target int整型 * @return int整型 */ public int search (int[] nums, int target) { // write code here if(nums.length == 0){ return-1; } int i = 0; int j = nums.length - 1; while(i<=j){ int m = i+(j-i)/2; if(target>nums[m]){ i = m+1; }else if(target<nums[m]){ j = m-1; }else{ return m; } } return -1; } }