【数组】551. 学生出勤记录 I

 1 class Solution {
 2 public:
 3     bool checkRecord(string s) 
 4     {
 5         int countA = 0;
 6         int countL = 0;
 7         for (int i = 0; i < s.length(); i++) 
 8         {
 9             char c = s[i];
10             if (c == ‘P‘) 
11             {
12                 countL = 0;
13             } 
14             else 
15             {
16                 if (c == ‘A‘) 
17                 {
18                     countA++;
19                     if (countA > 1) 
20                     {
21                         return false;
22                     };
23                     countL = 0;
24                 } 
25                 else if (c == ‘L‘)
26                 {
27                     countL++;
28                     if (countL > 2) 
29                     {
30                         return false;
31                     };
32                 };
33             };
34         };
35         return true;
36     }
37 };