SPFA find negative ring --------- wormhole - Code World

SPFA find negative ring --------- wormhole

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Origin blog.csdn.net/qq_45772483/article/details/105469818

SPFA find negative ring --------- wormhole

Analyzing negative SPFA ring (Wormholes)

Wormholes POJ - 3259 spfa negative judgment ring

SPFA Finding the Negative Ring ---------- Sightseeing Cows

Dfs type SPFA + || negative answer half ring || BZOJ 4773

3259: Wormholes: spfa + bellman-ford determines how negative ring

Negative ring ----------- word ring

Bellman-ford algorithm with the idea of the algorithm SPFA Detailed and forfeit the right to ring (negative cycles)

Luo Valley P2136 negative draw closer bidirectional ring spfa take min

[Template] negative ring

Record 3.23 - Negative ring

Detailed negative ring (No subject is recommended)

[A through study notes] Negative ring

Wormhole

North School && clear algorithm data structure DAY1-- knowledge finishing Bellman-ford algorithm and algorithm SPFA thought Detailed and forfeit the right to ring (negative cycles)

Loop negative determination AcWing 852. spfa

P3385 [template] negative ring

POJ 3621 Two points + judgment negative ring

AcWing 384 Two points + judgment negative ring

Luogu 3385 sentence negative ring template

Luogu 3385 sentence negative ring template

POJ 1860 (SPFA positive determination ring)

Bellman-Ford && spfa (forfeit ring)

POJ [2253] Arbitrage [SPFA judges the positive ring]

Find the node of the ring

In the figure there are looking for a ring (only find a ring)

Layout POJ - 3169 the shortest, SPFA loop negative determination algorithm +

Graph theory-spfa algorithm to judge negative weight loop

Shortest path SPFA algorithm (solving negative weight edges)

Application of "spfa judging positive and negative rings" and "dual operation mapping"

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