---
title: "704. Binary Search"
created: 2025-12-20
---
# 704. Binary Search

## 题目 [**704. Binary Search**](https://leetcode.com/problems/binary-search/)

![[image-9f0d18a6.png]]

## 思路分析

## 代码实现

```java
class Solution {
    public int search(int[] nums, int target) {
        int l=0,r=nums.length-1;
        while(l<r){
            int mid=l+r>>1;
            if(nums[mid]>=target){
                r=mid;
            }else{
                l=mid+1;
            }
        }
        return nums[r]==target?r:-1;
    }
}
```

## 同类题型

## 视频讲解