TWO POINTERS | Sub-Array technic | Solving 6 problems

TWO POINTERS | Sub-Array technic | Solving 6 problems

What's App Group : https://chat.whatsapp.com/DcBdeTqLeSu... My page at CF : https://codeforces.com/profile/Ahmed_... Linkedin :   / ahmed-esmat-284a9524a   Books : https://codeforces.com/group/3nQaj5GM... Longest Substring Without Repeating Characters : https://leetcode.com/problems/longest... Kefa and Company: https://codeforces.com/group/3nQaj5GM... Binary Deque: https://codeforces.com/contest/1692/p... Ternary String: https://codeforces.com/contest/1354/p... Maximum Number of Vowels in a Substring of Given Length: https://leetcode.com/problems/maximum...