reference failed: exit status 2
panic: runtime error: index out of range [0] with length 0

goroutine 1 [running]:
main.solveCase({0x40000a0e78, 0x1, 0x40000a0f18?})
	/home/ubuntu/codeforces/1000-1999/1900-1999/1990-1999/1993/1993E.go:88 +0xa6c
main.main()
	/home/ubuntu/codeforces/1000-1999/1900-1999/1990-1999/1993/1993E.go:29 +0x1bc
exit status 1