#681. 瑞士轮
瑞士轮
背景描述



Samples
2 4 2
7 6 6 7
10 5 20 15
1


Limitation
1s, 1024KiB for each test case.



2 4 2
7 6 6 7
10 5 20 15
1


1s, 1024KiB for each test case.
By signing up a Hydro universal account, you can submit code and join discussions in all online judging services provided by us.