DP 1D

51 problems — 4 easy, 33 medium, 14 hard.

#	Title	Difficulty	Frequency
45	Jump Game II	medium	frequently asked
53	Maximum Subarray	medium	foundational
55	Jump Game	medium	foundational
123	Best Time to Buy and Sell Stock III	hard	frequently asked
134	Gas Station	medium	frequently asked
188	Best Time to Buy and Sell Stock IV	hard	frequently asked
213	House Robber II	medium	frequently asked
256	Paint House	medium	frequently asked
265	Paint House II	hard	less common
276	Paint Fence	medium	less common
279	Perfect Squares	medium	frequently asked
309	Best Time to Buy and Sell Stock with Cooldown	medium	frequently asked
337	House Robber III	medium	frequently asked
354	Russian Doll Envelopes	hard	frequently asked
357	Count Numbers with Unique Digits	medium	less common
376	Wiggle Subsequence	medium	less common
377	Combination Sum IV	medium	frequently asked
413	Arithmetic Slices	medium	less common
416	Partition Equal Subset Sum	medium	frequently asked
446	Arithmetic Slices II - Subsequence	hard	less common
494	Target Sum	medium	frequently asked
509	Fibonacci Number	easy	foundational
518	Coin Change II	medium	frequently asked
646	Maximum Length of Pair Chain	medium	less common
673	Number of Longest Increasing Subsequence	medium	frequently asked
696	Count Binary Substrings	easy	less common
714	Best Time to Buy and Sell Stock with Transaction Fee	medium	frequently asked
740	Delete and Earn	medium	frequently asked
741	Cherry Pickup	hard	less common
746	Min Cost Climbing Stairs	easy	foundational
790	Domino and Tromino Tiling	medium	less common
871	Minimum Number of Refueling Stops	hard	less common
879	Profitable Schemes	hard	less common
887	Super Egg Drop	hard	less common
903	Valid Permutations for DI Sequence	hard	less common
918	Maximum Sum Circular Subarray	medium	frequently asked
920	Number of Music Playlists	hard	less common
935	Knight Dialer	medium	frequently asked
956	Tallest Billboard	hard	less common
983	Minimum Cost For Tickets	medium	less common
1027	Longest Arithmetic Subsequence	medium	frequently asked
1043	Partition Array for Maximum Sum	medium	less common
1048	Longest String Chain	medium	frequently asked
1049	Last Stone Weight II	medium	less common
1105	Filling Bookcase Shelves	medium	less common
1137	N-th Tribonacci Number	easy	foundational
1218	Longest Arithmetic Subsequence of Given Difference	medium	less common
1220	Count Vowels Permutation	hard	less common
1235	Maximum Profit in Job Scheduling	hard	frequently asked
1546	Maximum Number of Non-Overlapping Subarrays With Sum Equals Target	medium	less common
1911	Maximum Alternating Subsequence Sum	medium	less common