Intro to Algo 2022 spring 紙筆作業 3 === ###### tags: `成大演算法春季課程` 請同學在 Word 檔或使用 MD 回答, 需手寫的部分可以選擇打字或是將手寫拍照貼上去, 最後請輸出成 PDF 繳交到 Moodle 請不要交 Word 檔,助教感謝各位同學的配合 :+1: Deadline: **6/13 18:00** ## 第一題 Use **Dijkstra’s algorithm** to find the shortest paths from vertex s to other vertices. (You need to show your process.) ![](https://i.imgur.com/UqQavac.png) ## 第二題 Find all pairs shortest path using **Floyd-Warshall**. ![](https://i.imgur.com/9GwsueM.png) ## 第三題 Find **a feasible solution** or determine that **no feasible solution exists** for the following system of difference constraints: $$ x_1-x_3\leq1\\ x_2-x_3\leq-4\\ x_4-x_5\leq2\\ x_3-x_4\leq7\\ x_5-x_1\leq5\\ x_4-x_2\leq10\\ x_1-x_2\leq2\\ x_5-x_3\leq-1\\ $$