candidate runtime error on det-small-yes: runtime error: exit status 2
panic: runtime error: index out of range [0] with length 0

goroutine 1 [running]:
main.getTreeID({0x400006ee40, 0x0, 0x0}, 0xffffffffffffffff)
	/tmp/build-3899731365/solution.go:96 +0xd8
main.main()
	/tmp/build-3899731365/solution.go:156 +0x7a8

input:
1
4 2
2
1 2
2 3
1
1 2
exit status 1