Interview-School

Solution for problem 0013

Project initialized using dotnet core CLI:

dotnet new console

Original problem : Longest Substring Without Repeating Characters https://leetcode.com/problems/longest-substring-without-repeating-characters

Given a string, find the length of the longest substring without repeating characters.

Example 1 :

Input: "abcabcbb"
Output: 3 
Explanation: The answer is "abc", with the length of 3.

Example 2 :

Input: "bbbbb"
Output: 1
Explanation: The answer is "b", with the length of 1.

Example 3 :

Input: "pwwkew"
Output: 3
Explanation: The answer is "wke", with the length of 3. 
             Note that the answer must be a substring, "pwke" is a subsequence and not a substring.

Solution