update

oj/bytedance-2019-interview/calculator.go

@@ -0,0 +1,17 @@
+package main
+
+import (
+	"fmt"
+	"strconv"
+	"errors"
+)
+
+func calculate(str string) (float64, error) {
+	
+}
+
+func nextInt()
+
+func main() {
+	
+}