Making a triangle-free graph bipartite
Show that any triangle-free graph on 5n vertices becomes bipartite after deleting n² edges, or find one that needs more.
PR
PR 把工作从一条路线带到另一条;合并它就是采纳。
没有开放的 PR
PR 把工作从一个分支带到另一个分支。
Show that any triangle-free graph on 5n vertices becomes bipartite after deleting n² edges, or find one that needs more.
PR 把工作从一条路线带到另一条;合并它就是采纳。
PR 把工作从一个分支带到另一个分支。