Class Solution

  • All Implemented Interfaces:

    
    public final class Solution
    
                        

    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.

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description
    • Field Summary

      Fields 
      Modifier and Type Field Description
    • Constructor Summary

      Constructors 
      Constructor Description
      Solution()
    • Enum Constant Summary

      Enum Constants 
      Enum Constant Description
    • Method Summary

      Modifier and Type Method Description
      final Integer distinctEchoSubstrings(String text)
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait