Dynamic ProgrammingEvidence Contributing
0/1 Knapsack
DP where each item may be used at most once, choosing a subset that hits or approaches a target.
Practice Problems: 2
Difficulty: 0 Easy·2 Medium·0 Hard
Algorithmic Intuition & Recognition
The 0/1 Knapsack technique is applied when tackling problems characterized by specific invariants in the problem state or constraints:
- Core Strategy: DP where each item may be used at most once, choosing a subset that hits or approaches a target.
- When to use: Look for opportunities where repeated re-computation can be replaced by maintaining monotonic properties, state windows, or relational pointers.
- Interview Signal: Demonstrating this pattern shows mastery of Dynamic Programming foundations, reducing worst-case algorithmic complexity.