The problem is very similar to the Leetcode question 3 (Longest Substring Without Repeating Characters). Consecutive Numbers Sum 830. Output: Count of distinct substrings is 10 We will soon be discussing Suffix Array and Suffix Tree based approaches for this problem.. 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. Also insert all the individual characters from the string into the HashMap (to generate distinct single letter palindromic sub-strings). Count Unique Characters of All Substrings of a Given String 829. 1177. 1177. However, you must split the substrings such that all of them are unique. You are given a string s and an array of strings words of the same length. Sign up for free to join this conversation on GitHub. Positions of Large Groups 831. 1316. 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. Can Make Palindrome from Substring; 1178. You can split string s into any list of non-empty substrings, where the concatenation of the substrings forms the original string. Note that there can be at most O(n^2) palindrome sub-strings of a string. 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. Frequency. In particular, your input is the stringpand you need to output the number of different non-empty substrings ofpin the strings. Time complexity of this step is O(n^3) assuming that the hash insert search takes O(1) time. Sum of Distances in Tree 835. Distinct Echo Substrings; 1392. Example 1: Note:pconsists of only lowercase English letters and the size of p might be over 10000. 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. 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. 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. Unique Letter String [LeetCode] 828. 828. Number of Valid Words for Each Puzzle; 1371. Number of Valid Words for Each Puzzle; 1371. Rectangle Overlap 837. Example 1: Input: "a" Output: 1 Explanation: Only the substring "a" of string "a" is in the string s… Sign in to comment. Already have an account? Find the Longest Substring Containing Vowels in Even Counts; Match. 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. Find And Replace in String 834. Longest Substring with At Most K Distinct Characters Given a string, find the length of the longest substring T that contains at most k distinct characters. Flipping an Image 833. You can return the answer in any order. Longest Happy Prefix; Bit. Substring with Concatenation of All Words in LeetCode. String. Masking Personal Information 832. Can Make Palindrome from Substring; 1178. New 21 … Given a string s, return the maximum number of unique substrings that the given string can be split into. Image Overlap 836. Count Unique Characters of All Substrings of a Given String Apr 7, 2020. Of all substrings of a string Given string Apr 7, 2020 substrings such that all them! 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