构造N个城市之间最小生成树

[{"title":"（7个子文件1.81MB）构造N个城市之间最小生成树","children":[{"title":"构造N个城市之间最小生成树","children":[{"title":"课程设计论文root.docx <span style='color:#111;'>874.75KB</span>","children":null,"spread":false},{"title":"课程设计论文.docx <span style='color:#111;'>879.75KB</span>","children":null,"spread":false},{"title":"新建文本文档.txt <span style='color:#111;'>136B</span>","children":null,"spread":false},{"title":"2013级12班数据结构课程设计（含成绩）.xls <span style='color:#111;'>32.50KB</span>","children":null,"spread":false},{"title":"附件2-课程论文（模板及排版要求）2.doc <span style='color:#111;'>154.00KB</span>","children":null,"spread":false},{"title":"数据结构课程设计选题.doc <span style='color:#111;'>45.50KB</span>","children":null,"spread":false},{"title":"张新华.docx <span style='color:#111;'>30.65KB</span>","children":null,"spread":false}],"spread":true}],"spread":true}]