Note that there can be at most O(n^2) palindrome sub-strings of a string. Already have an account? Number of Valid Words for Each Puzzle; 1371. Count Unique Characters of All Substrings of a Given String 829. Masking Personal Information 832. Output: Count of distinct substrings is 10 We will soon be discussing Suffix Array and Suffix Tree based approaches for this problem.. Sum of Distances in Tree 835. You are given a string s and an array of strings words of the same length. Flipping an Image 833. In particular, your input is the stringpand you need to output the number of different non-empty substrings ofpin the strings. 828. Return all starting indices of substring(s) in s that is a concatenation of each word in words exactly once, in any order, and without any intervening characters. Positions of Large Groups 831. Longest Substring with At Most Two Distinct Characters Hard Given a string s , find the length of the longest substring t that contains at most 2 distinct characters. Example 1: Input: "a" Output: 1 Explanation: Only the substring "a" of string "a" is in the string s… Longest Happy Prefix; Bit. Sign up for free to join this conversation on GitHub. Can Make Palindrome from Substring; 1178. Can Make Palindrome from Substring; 1178. 1177. Whether a substring contains all unique characters or not can be checked in linear time by scanning it from left to right and keeping a map of visited characters. 1316. Consecutive Numbers Sum 830. Sign in to comment. Time complexity of this step is O(n^3) assuming that the hash insert search takes O(1) time. 1177. Longest Substring with At Most K Distinct Characters Question Given a string s, find the length of the longest substring T that contains at most k distinct characters. Given a string s, return the maximum number of unique substrings that the given string can be split into. Also insert all the individual characters from the string into the HashMap (to generate distinct single letter palindromic sub-strings). Method 1 (Simple : O(n 3)): We can consider all substrings one by one and check for each substring whether it contains all unique characters or not.There will be n*(n+1)/2 substrings. Frequency. Unique Letter String [LeetCode] 828. Now we have another string p. Your job is to find out how many unique non-empty substrings of p are present in s. In particular, your input is the string p and you need to output the number of different non-empty substrings of p in the string s. Note: p consists of only lowercase English letters and the size of p might be over 10000. Number of Valid Words for Each Puzzle; 1371. Note:pconsists of only lowercase English letters and the size of p might be over 10000. Find And Replace in String 834. String. You can split string s into any list of non-empty substrings, where the concatenation of the substrings forms the original string. The problem is very similar to the Leetcode question 3 (Longest Substring Without Repeating Characters). Rectangle Overlap 837. You can return the answer in any order. New 21 … Example 1: Substring with Concatenation of All Words in LeetCode. This article is contributed by Utkarsh Trivedi.If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. Distinct Echo Substrings; 1392. Image Overlap 836. Count Unique Characters of All Substrings of a Given String Apr 7, 2020. Find the Longest Substring Containing Vowels in Even Counts; Match. However, you must split the substrings such that all of them are unique. 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