Vis
Code
Array
Indexing, prefix/suffix tricks, Kadane, binary search on arrays.
1.
Two Sum
Easy
121.
Best Time to Buy and Sell Stock
Easy
217.
Contains Duplicate
Easy
238.
Product of Array Except Self
Medium
53.
Maximum Subarray
Medium
152.
Maximum Product Subarray
Medium
153.
Find Minimum in Rotated Sorted Array
Medium
33.
Search in Rotated Sorted Array
Medium
15.
3Sum
Medium
11.
Container With Most Water
Medium
268.
Missing Number
Easy
128.
Longest Consecutive Sequence
Medium
57.
Insert Interval
Medium
56.
Merge Intervals
Medium
704.
Binary Search
Easy
169.
Majority Element
Easy
150.
Evaluate Reverse Polish Notation
Medium
973.
K Closest Points to Origin
Medium
39.
Combination Sum
Medium
46.
Permutations
Medium
75.
Sort Colors
Medium
78.
Subsets
Medium
416.
Partition Equal Subset Sum
Medium
42.
Trapping Rain Water
Hard
84.
Largest Rectangle in Histogram
Hard
1235.
Maximum Profit in Job Scheduling
Hard
347.
Top K Frequent Elements
Medium
167.
Two Sum II - Input Array Is Sorted
Medium
239.
Sliding Window Maximum
Hard
739.
Daily Temperatures
Medium
853.
Car Fleet
Medium
875.
Koko Eating Bananas
Medium
4.
Median of Two Sorted Arrays
Hard
287.
Find the Duplicate Number
Medium
1046.
Last Stone Weight
Easy
215.
Kth Largest Element in an Array
Medium
90.
Subsets II
Medium
40.
Combination Sum II
Medium
1584.
Min Cost to Connect All Points
Medium
746.
Min Cost Climbing Stairs
Easy
309.
Best Time to Buy and Sell Stock with Cooldown
Medium
518.
Coin Change II
Medium
494.
Target Sum
Medium
312.
Burst Balloons
Hard
45.
Jump Game II
Medium
134.
Gas Station
Medium
846.
Hand of Straights
Medium
1899.
Merge Triplets to Form Target Triplet
Medium
66.
Plus One
Easy
136.
Single Number
Easy