# 53. 学生出勤纪录 I

java

```java
package leetcode.all.solution501_600;

/**
 * 551. 学生出勤纪录 I
 *
 * 给定一个字符串来代表一个学生的出勤纪录，这个纪录仅包含以下三个字符：
 *
 * 'A' : Absent，缺勤
 * 'L' : Late，迟到
 * 'P' : Present，到场
 * 如果一个学生的出勤纪录中不超过一个'A'(缺勤)并且不超过两个连续的'L'(迟到),那么这个学生会被奖赏。
 *
 * 你需要根据这个学生的出勤纪录判断他是否会被奖赏。
 *
 * 示例 1:
 *
 * 输入: "PPALLP"
 * 输出: True
 * 示例 2:
 *
 * 输入: "PPALLL"
 * 输出: False
 */
public class Solution551 {

    public boolean checkRecord(String s) {
        int aCount=0;//char A count
        int sameCount=0; //same char count

        for(int i=0;i<s.length();i++){
            char ch=s.charAt(i);
            if(ch=='A') aCount++;
            if(ch=='L') sameCount++;
            else sameCount=0;
            if(sameCount>2) break;
        }
        return aCount<=1&&sameCount<=2;
    }

    public static void main(String[] args) {
        String s = "PPALLP";
        boolean r = new Solution551().checkRecord(s);
        System.out.println(r);
    }
}
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://im-qianuxn.gitbook.io/pytorch/ji-suan-ji/shua-ti/zhi-shang-lei/53-xue-sheng-chu-qing-ji-lu.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.