Googlejuniorout. de 2024
Find the minimum number of passes needed to reach the end node in a graph, where passes are required to cross restricted nodes
Given a weighted undirected graph, count the number of paths from node 1 to node n such that the shortest distance-to-node-n strictly decreases at every step, returning the result modulo 1e9+7. This requires computing distances to node n and then counting monotone-decreasing paths according to that distance ordering.
Use esses exemplos para entender em que contexto ela costuma cair e adaptar sua prática.
Find the minimum number of passes needed to reach the end node in a graph, where passes are required to cross restricted nodes
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