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) { int l, r, mid; l = 0; if (nums.length > 0) { r = nums.length - 1; } else { return -1; } while (l < r) { mid = l + r >> 1; if (nums[mid] >= target) { r = mid; } else { l = mid + 1; } } if (nums[l] != target) { return -1; } return l; } }