Package g1301_1400.s1316_distinct_echo_substrings

Class Solution

  • public class Solution
extends Object
    1316 - Distinct Echo Substrings.

    Hard

    Return the number of distinct non-empty substrings of text that can be written as the concatenation of some string with itself (i.e. it can be written as a + a where a is some string).

    Example 1:

    Input: text = “abcabcabc”

    Output: 3

    Explanation: The 3 substrings are “abcabc”, “bcabca” and “cabcab”.

    Example 2:

    Input: text = “leetcodeleetcode”

    Output: 2

    Explanation: The 2 substrings are “ee” and “leetcodeleetcode”.

    Constraints:

    • 1 <= text.length <= 2000
    • text has only lowercase English letters.

    • Constructor Detail

      • Solution

        public Solution()

    • Method Detail

      • distinctEchoSubstrings

        public int distinctEchoSubstrings​(String text)