551. Student Attendance Record I
Description
You are given a string s
representing an attendance record for a student where each character signifies whether the student was absent, late, or present on that day. The record only contains the following three characters:
'A'
: Absent.'L'
: Late.'P'
: Present.
The student is eligible for an attendance award if they meet both of the following criteria:
- The student was absent (
'A'
) for strictly fewer than 2 days total. - The student was never late (
'L'
) for 3 or more consecutive days.
Return true
if the student is eligible for an attendance award, or false
otherwise.
Example 1:
Input: s = "PPALLP" Output: true Explanation: The student has fewer than 2 absences and was never late 3 or more consecutive days.
Example 2:
Input: s = "PPALLL" Output: false Explanation: The student was late 3 consecutive days in the last 3 days, so is not eligible for the award.
Constraints:
1 <= s.length <= 1000
s[i]
is either'A'
,'L'
, or'P'
.
Solutions
Solution 1
1 2 3 |
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1 2 3 4 5 |
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1 2 3 4 5 6 |
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1 2 3 |
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1 2 3 |
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