panic: exit status 1

goroutine 1 [running]:
main.genCase(0x4000074ee8)
	/home/ubuntu/codeforces/1000-1999/1000-1099/1030-1039/1037/verifierG.go:58 +0x394
main.main()
	/home/ubuntu/codeforces/1000-1999/1000-1099/1030-1039/1037/verifierG.go:76 +0x18c
exit status 2