Design an algorithm, Design an algorithm that determines if

Design an algorithm

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Reference no: EM134045813

Question

Let G be an undirected graph, and let s and t be distinct vertices of G. Each edge in G is assigned one of two colors, white or gold. You may assume that the color of an edge, C(e), is available to you in constant time.

(a) Design an algorithm that determines if there is a path from s to t with edges of only one color (that is, a path containing either white edges only or gold edges only).

(b) Design an algorithm that determines if there is a path from s to t such that all white edges appear before all gold edges in the path. Paths of a single color are OK, but no gold edge can appear before any white edge.

Reference no: EM134045813

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