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linked_list.go
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package main | |
import "fmt" | |
type KeretaNode struct { | |
data string | |
next *KeretaNode | |
} | |
func BuatGerbongKereta(data string) *KeretaNode { | |
gerbong3 := &KeretaNode{data: "Gerbong 3", next: nil} | |
gerbong2 := &KeretaNode{data: "Gerbong 2", next: gerbong3} | |
gerbong1 := &KeretaNode{data: "Gerbong 1", next: gerbong2} | |
gerbong := &KeretaNode{data: data, next: gerbong1} | |
return gerbong | |
} | |
func CetakKereta(gerbong *KeretaNode) { | |
current := gerbong | |
for current != nil { | |
println(current.data) | |
current = current.next | |
} | |
fmt.Println("Kereta selesai!") | |
} | |
func TambahGerbongBelakang(kereta *KeretaNode, data string) *KeretaNode { | |
newGerbong := &KeretaNode{data: data, next: nil} | |
if kereta == nil { | |
return newGerbong | |
} | |
gerbong := kereta | |
for gerbong.next != nil { | |
gerbong = gerbong.next | |
} | |
gerbong.next = newGerbong | |
return kereta | |
} | |
// cari gerbong kereta | |
func CariGerbong(kereta *KeretaNode, data string) *KeretaNode { | |
current := kereta | |
for current != nil { | |
if current.data == data { | |
return current | |
} | |
current = current.next | |
} | |
return nil // jika tidak ditemukan | |
} | |
func main() { | |
kereta := BuatGerbongKereta("Kereta Api Jaka Tingkir") | |
fmt.Println("Kereta yang dibuat:") | |
CetakKereta(kereta) | |
// tambah gerbong baru | |
newGerbong := &KeretaNode{data: "Gerbong 4", next: nil} | |
TambahGerbongBelakang(kereta, newGerbong.data) | |
newGerbong2 := &KeretaNode{data: "Gerbong 5", next: nil} | |
TambahGerbongBelakang(kereta, newGerbong2.data) | |
CetakKereta(kereta) | |
// cari gerbong | |
gerbongDicari := "Gerbong 2" | |
gerbongDitemukan := CariGerbong(kereta, gerbongDicari) | |
if gerbongDitemukan != nil { | |
fmt.Printf("Gerbong '%s' ditemukan!\n", gerbongDitemukan.data) | |
} else { | |
fmt.Printf("Gerbong '%s' tidak ditemukan!\n", gerbongDicari) | |
} | |
} |
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