g1301_1400.s1316_distinct_echo_substrings

Class Solution

java.lang.Object

g1301_1400.s1316_distinct_echo_substrings.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 Summary

Constructors

Constructor and Description
Solution()

Method Summary

Modifier and Type	Method and Description
int	distinctEchoSubstrings(String text)

Methods inherited from class java.lang.Object

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

Constructor Detail

Solution

public Solution()

Method Detail

distinctEchoSubstrings

public int distinctEchoSubstrings(String text)