408380: GYM103109 H Future Gadget Lab

Memory Limit:256 MB Time Limit:1 S
Judge Style:Text Compare Creator:
Submit:0 Solved:0

Description

H. Future Gadget Labtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputExampleInput
4 2 100000
1 2
2 3
1 4
Output
0.800000000000000

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