PythonProgramForInterview

https://www.techinterviewhandbook.org/grind75?weeks=25&order=topics&grouping=topics

Python solution for Grind 169 questions

LeetCode problems solutions with approach.

Topic Array:

Problem 1: Leetcode 1. Two Sum
Solution

Problem 2: Leetcode 121. Best Time to Buy and Sell Stock
Solution

Problem 3: Leetcode 57. Insert Interval
Solution

Problem 4: Leetcode 15. 3Sum
Solution

Problem 5: Leetcode 238. Product of Array Except Self
Solution

Problem 6: Leetcode 39. Combination Sum
Solution

Problem 7: Leetcode 56. Merge Intervals
Solution

Problem 8: 169. Majority Element
Solution

Problem 9: Leetcode 75. Sort Colors
Solution

Problem 10: Leetcode 217. Contains Duplicate
Solution

Problem 11: Leetcode 11. Container With Most Water
Solution

Problem 12: Leetcode Premium Leetcode Meeting Rooms
Lintcode link to problem Solution

Problem 13: Leetcode 134. Gas Station
Solution

Problem 14: Leetcode 128. Longest Consecutive Sequence
Solution

Problem 15: Leetcode 189. Rotate Array
Solution

Problem 16: Leetcode 525. Contiguous Array
Solution

Problem 17: Leetcode 560. Subarray Sum Equals K
Solution

Problem 18: Leetcode Premium Leetcode Employee Free Time
Lintcode link to problem Solution

Problem 19: Leetcode 283. Move Zeroes
Solution

Problem 20: Leetcode Premium Leetcode Meeting Room II
Lintcode link to problem Solution

Problem 21: Leetcode 239. Sliding Window Maximum
Solution

Problem 22: Leetcode 977. Squares of a Sorted Array
Solution

Problem 23: Leetcode 16. 3Sum Closest
Solution

Problem 24: Leetcode 435. Non-overlapping Intervals
Solution

String

Problem 1: Leetcode 125. Valid Palindrome
Solution

Problem 2: Leetcode 242. Valid Anagram
Solution

Problem 3: Leetcode 3. Longest Substring Without Repeating Characters
Solution

Problem 4: Leetcode 409. Longest Palindrome
Solution

Topic Binary Search

Problem 1: Leetcode 704. Binary Search
Solution

Problem 2: Leetcode 278. First Bad Version
Solution

Problem 3: Leetcode 33. Search in Rotated Sorted Array
Solution

Problem 4: Leetcode 981. Time Based Key-Value Store
Solution

Problem 7: Leetcode 74. Search a 2D Matrix
Solution

Problem 8: Leetcode 153. Find Minimum in Rotated Sorted Array
Solution