java.lang.Object
g1301_1400.s1316_distinct_echo_substrings.Solution

public class Solution extends java.lang.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 Summary

    Constructors
    Constructor
    Description
     
  • Method Summary

    Modifier and Type
    Method
    Description
    int
    distinctEchoSubstrings(java.lang.String text)
     

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • distinctEchoSubstrings

      public int distinctEchoSubstrings(java.lang.String text)