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A Shortest-Path CLI in Rust — Making a Min-Heap from a Max-Heap, Path Reconstruction, and Rejecting Negative Weights
用Rust手写Dijkstra最短路径CLI，详解最小堆实现与路径重建，值得算法爱好者收藏。
A CLI that finds shortest paths in a weighted graph, in Rust, with Dijkstra's algorithm. Three implementation hinges: (1) Dijkstra needs a min-priorit…