LeetCode #76: Minimum Window Substring
https://leetcode.com/problems/minimum-window-substring/ To solve this problem in Python 3, we can use a sliding window approach that involves maintaining two dictionaries,…
Category: LeetCode Solutions
Step by step guide to LeetCode solutions.
LeetCode #424: Longest Repeating Character Replacement
https://leetcode.com/problems/longest-repeating-character-replacement/description/ To solve this problem in Python 3, we can use a sliding window approach that involves maintaining a count…
LeetCode #3: Longest Substring Without Repeating Characters
https://leetcode.com/problems/longest-substring-without-repeating-characters/description/ To solve this problem in Python 3, we can use a sliding window approach that involves maintaining a set…
LeetCode #121: Best Time to Buy and Sell Stock
https://leetcode.com/problems/best-time-to-buy-and-sell-stock/ To solve this problem in Python 3, we can use a simple approach that involves keeping track of the…
LeetCode #11: Container With Most Water
https://leetcode.com/problems/container-with-most-water/ To solve this problem, we can use the two-pointer technique. We start with the two pointers at the beginning…
LeetCode #15: 3Sum
https://leetcode.com/problems/3sum/ To solve this problem, we can use a combination of two-pointer technique and a hashmap. We first sort the…
LeetCode #125: Valid Palindrome
https://leetcode.com/problems/valid-palindrome/ To solve this problem, we can use two pointers, one at the beginning and one at the end of…
LeetCode #128: Longest Consecutive Sequence
https://leetcode.com/problems/longest-consecutive-sequence/ To solve this problem, we can first sort the input array. Then, we can iterate through the sorted array…
LeetCode #271: Encode and Decode Strings
https://leetcode.com/problems/encode-and-decode-strings/ To solve this problem, we can concatenate all the strings in the input list into a single string, separated…
LeetCode #238: Product Of Array Except Self
https://leetcode.com/problems/product-of-array-except-self/ The brute force approach to solving this problem would be to iterate through the given array and, for each…