Skip to content

A little signal. Less noise.

DISCOVER

Catalog Categories

CATEGORIES

Categories will appear when the source is connected.

More possibility. Less searching.

A considered collection of AI tools, trials, and opportunities.

RADAR / PostgreSQLConnection pending

ExploreCatalog

A little signal. Less noise.

Loading the catalog…

RADARGood tools open new possibilities.Explore thoughtfully. Create freely.

Skip to content

A little signal. Less noise.

DISCOVER

Catalog Categories

CATEGORIES

Categories will appear when the source is connected.

More possibility. Less searching.

A considered collection of AI tools, trials, and opportunities.

RADAR / PostgreSQLStorage available

ExploreOffer details

A little signal. Less noise.

Back to catalog

贪

贪心算法大多靠不住,为什么Dijkstra的贪心选择偏偏能保证全局最优

掘金

About this offer

写在前面贪心算法名声不算太好——每一步只顾眼前最优,不考虑未来,大部分场景下拼凑出来的结果都只是局部最优,离全局最优差着一截(找零钱问题就是经典的反例)。但求单源最短路径的Dijkstra算法,恰恰

Offer details

Provider: 掘金
Source: juejin-rss
Score: 57.36
Confidence: 54%

Source evidence

What RADAR observed and classified to build this opportunity. It is what the source published, not a verification that the offer is still active.

JuejinObserved: Sep 29, 2026Source reliability: 60%
贪心算法大多靠不住,为什么Dijkstra的贪心选择偏偏能保证全局最优. 写在前面贪心算法名声不算太好——每一步只顾眼前最优,不考虑未来,大部分场景下拼凑出来的结果都只是局部最优,离全局最优差着一截(找零钱问题就是经典的反例)。但求单源最短路径的Dijkstra算法,恰恰
Open source

贪心算法大多靠不住,为什么Dijkstra的贪心选择偏偏能保证全局最优

Opens an external website. Availability and terms may change.

Real offers. Useful details.

RADARGood tools open new possibilities.Explore thoughtfully. Create freely.

The catalog shows persisted RADAR opportunities. Storage availability does not mean sources are verified or offers are active.