Unverified50% confidenceFactExact time
贪心算法只有当问题同时具备贪心选择性质和最优子结构时才能保证全局最优；0/1背包问题不满足贪心选择性质，因此贪心策略只能提供近似解
1
Sources
50%
Confidence
Long-term
Relevance
7/6/2026
First Seen
Sources
Greedy Algorithms and the Knapsack Problem: Core Notes from MIT 6.0002 Lecture 1
bilibiliAI从零开始学7/3/2026
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