Each[i, j]inred_edgesdenotes a red directed edge from nodeito nodej. Similarly, each[i, j]inblue_edgesdenotes a blue directed edge from nodeito nodej. Return an arrayanswerof lengthn, where eachanswer[X]is the length of the shortest path from node0to nodeXsuch that the edge colors ...
Each[i, j]inred_edgesdenotes a red directed edge from nodeito nodej. Similarly, each[i, j]inblue_edgesdenotes a blue directed edge from nodeito nodej. Return an arrayanswerof lengthn, where eachanswer[X]is the length of the shortest path from node0to nodeXsuch that the edge colors ...
shortest, path = spfa(graphData, 0) print(shortest, path) print('-' * 75) graphData = csr_matrix(graphData) distMatrix = bellman_ford(csgraph=graphData, directed=True, indices=0, return_predecessors=True) print(distMatrix) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14....
blueEdges[j] = [uj, vj] indicates that there is a directed blue edge from node uj to node vj in the graph. Return an array answer of length n, where each answer[x] is the length of the shortest path from node 0 to node x such that the edge colors alternate along the path, or...
1129. Shortest Path with Alternating Colors 原题链接在这里:https://leetcode.com/problems/shortest-path-with-alternating-colors/ 题目: Consider a directed graph, with nodes labelled 0, 1, ..., n-1. In thi LeetCode Graph BFS i++ ide 转载 mb5fd86caa0a310 2019-08-09 11:51:00 69...
【leetcode】1129. Shortest Path with Alternating Colors 题目如下: Consider a directed graph, with nodes labelled0, 1, ..., n-1. In this graph, each edge is either red or blue, and there could be self-edges or parallel edges. Each[i, j]inred_edgesdenotes a red directed edge from ...
1129. Shortest Path with Alternating Colors 原题链接在这里:https://leetcode.com/problems/shortest-path-with-alternating-colors/ 题目: Consider a directed graph, with nodes labelled0, 1, ..., n-1. In this graph, each edge is either red or blue, and there could be self-edges or ...
shortest, path = FloydWarshall(graphData) for item in shortest: print(item) print() for item in path: print(item) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 在SciPy中有一个官方提供的floyd_warshall函数,我们可以通过调用它来验证一下我们写的floydWarshall算法是否正确。有些不同的地方...
【leetcode】1129. Shortest Path with Alternating Colors 题目如下: Consider a directed graph, with nodes labelled0, 1, ..., n-1. In this graph, each edge is either red or blue, and there could be self-edges or parallel edges. Each[i, j]inred_edgesdenotes a red directed edge from ...