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problem solving skills

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Problem: Maximum Product Subarray

Feb 4, 20231 min read

Given an integer array nums, find a subarray the product The test cases are generated so that the answer will fit in a 32-bit integer. Example...

Problem: Maximum Product Subarray

Problem: Transpose File Solution

Feb 3, 20231 min read

Given a text file, transpose its content. You may assume that each row has the same number of columns, and each field is separated by the ' '...

Problem: Transpose File Solution

Problem: Subsets II

Sep 24, 20221 min read

Given an integer array nums that may contain duplicates, return all possible subsets (the power set). The solution set must not contain duplicate...

Problem: Subsets II

Problem: Minimum Window Substring

Sep 23, 20222 min read

Given two strings s and t of lengths m and n respectively, return the minimum window substring of s such that every character in t (including...

Problem: Minimum Window Substring

Problem: Find First and Last Position of Element in Sorted Array

Aug 23, 20221 min read

Given an array of integers nums sorted in non-decreasing order, find the starting and ending position of a given target value. If target is not found...

Problem: Find First and Last Position of Element in Sorted Array

Problem: Valid Sudoku

Aug 21, 20221 min read

Determine if a 9 x 9 Sudoku board is valid. Only the filled cells need to be validated according to the following rules: //Each row must contain the...

Problem: Valid Sudoku