---
title: "3028. Ant on the Boundary"
created: 2025-12-16
---
# 3028. Ant on the Boundary

## 题目 [**3028. Ant on the Boundary**](https://leetcode.com/problems/ant-on-the-boundary/)

![[image-e3b5afb4.png]]

## 思路分析

![[image-3ed2d410.png]]

## 代码实现

```java
class Solution {
    public int returnToBoundaryCount(int[] nums) {
        int cur=0,cnt=0;
        for(int i=0;i<nums.length;i++){
            cur+=nums[i];
            if(cur==0){
                cnt++;
            }
        }
        return cnt;
    }
}
```

## 同类题型

## 视频讲解