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Copy path35.搜索插入位置.java
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35.搜索插入位置.java
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/*
* @lc app=leetcode.cn id=35 lang=java
*
* [35] 搜索插入位置
*
* https://leetcode-cn.com/problems/search-insert-position/description/
*
* algorithms
* Easy (45.58%)
* Likes: 550
* Dislikes: 0
* Total Accepted: 179.4K
* Total Submissions: 391.8K
* Testcase Example: '[1,3,5,6]\n5'
*
* 给定一个排序数组和一个目标值,在数组中找到目标值,并返回其索引。如果目标值不存在于数组中,返回它将会被按顺序插入的位置。
*
* 你可以假设数组中无重复元素。
*
* 示例 1:
*
* 输入: [1,3,5,6], 5
* 输出: 2
*
*
* 示例 2:
*
* 输入: [1,3,5,6], 2
* 输出: 1
*
*
* 示例 3:
*
* 输入: [1,3,5,6], 7
* 输出: 4
*
*
* 示例 4:
*
* 输入: [1,3,5,6], 0
* 输出: 0
*
*
*/
// @lc code=start
class Solution {
public int searchInsert(int[] nums, int target) {
int left = 0;
int right = nums.length - 1;
while (left <= right) {
int mid = left + (right - left) / 2;
if (nums[mid] < target) {
left = mid + 1;
} else if (nums[mid] > target) {
right = mid - 1;
} else if (nums[mid] == target) {
return mid;
}
}
return left;
}
}
// @lc code=end