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String: 551. Student Attendance Record I

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	`1`	`+// https://leetcode.com/problems/student-attendance-record-i/description/`
	`2`	`+/**`
	`3`	`+ * 551. Student Attendance Record I`
	`4`	`+ * @param {string} s`
	`5`	`+ * @return {boolean}`
	`6`	`+ */`
	`7`	`+var checkRecord = function(s) {`
	`8`	`+ s = s.replace('A', 'B');`
	`9`	`+ if (s.indexOf('A') > -1) return false;`
	`10`	`+ let last2 = s[0];`
	`11`	`+ let last1 = s[1];`
	`12`	`+ for (let i = 2; i < s.length; i++) {`
	`13`	`+ if (s[i] === 'L' && last1 === 'L' && last2 === 'L') {`
	`14`	`+ return false;`
	`15`	`+ }`
	`16`	`+ last2 = last1;`
	`17`	`+ last1 = s[i];`
	`18`	`+ }`
	`19`	`+ return true;`
	`20`	`+};`
	`21`	`+var checkRecord = function(s) {`
	`22`	`+ if (s.indexOf('LLL') > -1) return false;`
	`23`	`+ s = s.replace('A', '');`
	`24`	`+ if (s.indexOf('A') > -1) return false;`
	`25`	`+ return true;`
	`26`	`+};`

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