题目：

题解：

bool checkRecord(char* s) {int absents = 0, lates = 0;int n = strlen(s);for (int i = 0; i < n; i++) {char c = s[i];if (c == 'A') {absents++;if (absents >= 2) {return false;}}if (c == 'L') {lates++;if (lates >= 3) {return false;}} else {lates = 0;}}return true;
}