build oracle failed: exit status 1 # command-line-arguments ./1301F.go:7:4: "strconv" imported and not used ./1301F.go:61:17: multiple-value readInt() (value of type (int, error)) in single-value context ./1301F.go:120:10: assignment mismatch: 1 variable but readInt returns 2 values ./1301F.go:122:14: multiple-value readInt() (value of type (int, error)) in single-value context ./1301F.go:123:14: multiple-value readInt() (value of type (int, error)) in single-value context ./1301F.go:124:14: multiple-value readInt() (value of type (int, error)) in single-value context ./1301F.go:125:14: multiple-value readInt() (value of type (int, error)) in single-value context exit status 1