Wuzm:package wangyi_qiuzhao; import java.util.Scanner; public class Main3 { public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
String line = scanner.nextLine(); char[] arr = line.toCharArray(); int res = 0; for (int i = 1; i < line.length(); i++) { if (arr[i-1] == arr[i]) {
reverse(arr, 0, i-1);
reverse(arr, i, arr.length-1);
}
} int sum = 1; for (int i = 1; i < arr.length; i++) { if (arr[i-1] != arr[i]) {
sum += 1; // System.out.println(sum); } else {
sum = 1;
} if (res < sum) {
res = sum;
}
}
System.out.println(res);
} public static void reverse(char[] arr, int start, int end) { while (start < end) { char temp = arr[end];
arr[end] = arr[start];
arr[start] = temp;
start++;
end--;
}
}
}