fix compilation errors

main/main.go

@@ -2,14 +2,14 @@ package main
 
 import (
 	"fmt"
+	"git.chromaticdragon.app/kistaro/auctionsim/auctionsim"
 	"log"
 	"os"
 	"strconv"
-	"git.chromaticdragon.app/kistaro/auctionsim/auctionsim"
 )
 
 func main() {
-	num := 1000
+	num := int64(1000)
 	if len(os.Args) > 1 {
 		n, err := strconv.ParseInt(os.Args[1], 0, 64)
 		if err != nil {
@@ -22,8 +22,8 @@ func main() {
 	}
 
 	price, bidder := auctionsim.RunAuction(
-		auctionsim.CappedBidderGenerator{
-			G: auctionsim.NormalestBidderGenerator(),
+		&auctionsim.CappedBidderGenerator{
+			G:   auctionsim.NormalestBidderGenerator(),
 			Lim: num,
 		},
 	)