Files
hello-algo/ru/codes/go/pkg/print_utils.go
Yudong Jin 772183705e Add ru version (#1865)
* Add Russian docs site baseline

* Add Russian localized codebase

* Polish Russian code wording

* Update ru code translation.

* Update code translation and chapter covers.

* Fix pythontutor extraction.

* Add README and landing page.

* placeholder of profiles

* Use figures of English version

* Remove chapter paperbook
2026-03-28 04:24:07 +08:00

119 lines
2.5 KiB
Go
Raw Permalink Blame History

This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
// File: print_utils.go
// Created Time: 2022-12-03
// Author: Reanon (793584285@qq.com), krahets (krahets@163.com), msk397 (machangxinq@gmail.com)
package pkg
import (
"container/list"
"fmt"
"strconv"
"strings"
)
// PrintSlice: вывести срез
func PrintSlice[T any](nums []T) {
fmt.Printf("%v", nums)
fmt.Println()
}
// PrintList: вывести список
func PrintList(list *list.List) {
if list.Len() == 0 {
fmt.Print("[]\n")
return
}
e := list.Front()
// Преобразование к string повлияет на эффективность
fmt.Print("[")
for e.Next() != nil {
fmt.Print(e.Value, " ")
e = e.Next()
}
fmt.Print(e.Value, "]\n")
}
// PrintMap: вывести хеш-таблицу
func PrintMap[K comparable, V any](m map[K]V) {
for key, value := range m {
fmt.Println(key, "->", value)
}
}
// PrintHeap: вывести кучу
func PrintHeap(h []any) {
fmt.Printf("Массивное представление кучи:")
fmt.Printf("%v", h)
fmt.Printf("\nДревовидное представление кучи:\n")
root := SliceToTree(h)
PrintTree(root)
}
// PrintLinkedList: вывести связный список
func PrintLinkedList(node *ListNode) {
if node == nil {
return
}
var builder strings.Builder
for node.Next != nil {
builder.WriteString(strconv.Itoa(node.Val) + " -> ")
node = node.Next
}
builder.WriteString(strconv.Itoa(node.Val))
fmt.Println(builder.String())
}
// PrintTree: вывести двоичное дерево
func PrintTree(root *TreeNode) {
printTreeHelper(root, nil, false)
}
// printTreeHelper: вывести двоичное дерево
// Этот вывод дерева заимствован из TECHIE DELIGHT
// https://www.techiedelight.com/c-program-print-binary-tree/
func printTreeHelper(root *TreeNode, prev *trunk, isRight bool) {
if root == nil {
return
}
prevStr := " "
trunk := newTrunk(prev, prevStr)
printTreeHelper(root.Right, trunk, true)
if prev == nil {
trunk.str = "———"
} else if isRight {
trunk.str = "/———"
prevStr = " |"
} else {
trunk.str = "\\———"
prev.str = prevStr
}
showTrunk(trunk)
fmt.Println(root.Val)
if prev != nil {
prev.str = prevStr
}
trunk.str = " |"
printTreeHelper(root.Left, trunk, false)
}
type trunk struct {
prev *trunk
str string
}
func newTrunk(prev *trunk, str string) *trunk {
return &trunk{
prev: prev,
str: str,
}
}
func showTrunk(t *trunk) {
if t == nil {
return
}
showTrunk(t.prev)
fmt.Print(t.str)
}