This road is six times the length of that one.
这条路是那条路的六倍长。
A man appointed to maintain a certain length of road.
指受到指派保养某一段道路的人。
The all length of Nanjing Road is a blaze of light and color.
整条南京路一片灯火通明、五彩缤纷。
The whole length of Nanjing Road is a blaze of light and color.
整条南京路一片灯火通明、五彩缤纷。
For each test case, print the length of the longest road on a single line.
求图中的一条最长路径，又是回溯。
For each test case, print the length of the longest road on a single line.
求图中的一条最长路径，又是回溯。
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