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PROBLEMS/CORE DP/UNBOUNDED KNAPSACK

Unbounded Knapsack Problems

11 Unbounded Knapsack problems on LeetCode, a Core DP interview pattern, ranked by importance (how often it comes up in real interviews). Difficulty (ELO) and importance shown per problem.

#PROBLEMDIFFELOIMPPATTERNS
1Coin ChangeEasy133793
2Coin Change IIMedium152391
Linear Recurrence DP
3Perfect SquaresMedium140588
BFS Shortest Path (Unweighted) · General Math
4Combination Sum IVEasy137282
Frequency Counting / Hash Map Lookup
5Number of Dice Rolls With Target SumMedium165482
Linear Recurrence DP · Modular Arithmetic
+ 6 more Unbounded Knapsack problems, see all in the explorer →
MORE CORE DP PATTERNS
Linear Recurrence DPLongest Increasing SubsequenceWord Break / String DPUnbounded Knapsack0/1 KnapsackTwo Sequence DP (LCS, Edit distance)Grid Path Problems
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