In category
Hard
19 posts in Hard
2026·01
1458. Max Dot Product of Two Subsequences
Coding
2026·01
1411. Number of Ways to Paint N 3 Grid
Coding
2024·03
41. First Missing Positive
Coding
2024·01
629. K Inverse Pairs Array
Coding
2023·10
1425. Constrained Subsequence Sum
Coding
2023·10
1095. Find in Mountain Array
Coding
2023·09
4. Median of Two Sorted Arrays
Coding
2023·09
847. Shortest Path Visiting All Nodes
Coding
2023·08
403. Frog Jump
Coding
2023·08
239. Sliding Window Maximum
Coding
2023·06
956. Tallest Billboard
Coding
2023·06
2448. Minimum Cost to Make Array Equal
Coding
2023·05
1964. Find the Longest Valid Obstacle Course at Each Position
Coding
2023·04
1579. Remove Max Number of Edges to Keep Graph Fully Traversable
Coding
2023·04
1697. Checking Existence of Edge Length Limited Paths
Coding
2023·04
839. Similar String Groups
Coding
2023·04
879. Profitable Schemes
Coding
2023·04
2218. Maximum Value of K Coins From Piles
Coding
2023·04
1857. Largest Color Value in a Directed Graph
Coding