algorithm/hello-algo
1
0
Fork 0
mirror of https://github.com/krahets/hello-algo.git synced 2025-11-03 05:27:55 +08:00
Code Issues Packages Projects Releases Wiki Activity

Many bug fixes and improvements (#1270)

Browse Source 
* Add Ruby and Kotlin icons
Add the avatar of @curtishd

* Update README

* Synchronize zh-hant and zh versions.

* Translate the pythontutor blocks to traditional Chinese

* Fix en/mkdocs.yml

* Update the landing page of the en version.

* Fix the Dockerfile

* Refine the en landingpage

* Fix en landing page

* Reset the README.md
This commit is contained in:
Yudong Jin
2024-04-11 20:18:19 +08:00
committed by GitHub
parent 07977184ad
commit b2f0d4603d
192 changed files with 2382 additions and 1196 deletions
Download Patch File Download Diff File Expand all files Collapse all files

46
zh-hant/codes/kotlin/chapter_hashing/array_hash_map.kt
View File

@ -9,20 +9,14 @@ package chapter_hashing
/* 鍵值對 */
class Pair(
var key: Int,
var value: String
var _val: String
)
/* 基於陣列實現的雜湊表 */
class ArrayHashMap {
// 初始化陣列，包含 100 個桶
private val buckets = arrayOfNulls<Pair>(100)
init {
// 初始化陣列，包含 100 個桶
for (i in 0..<100) {
buckets[i] = null
}
}
/* 雜湊函式 */
fun hashFunc(key: Int): Int {
val index = key % 100
@ -33,12 +27,12 @@ class ArrayHashMap {
fun get(key: Int): String? {
val index = hashFunc(key)
val pair = buckets[index] ?: return null
return pair.value
return pair._val
}
/* 新增操作 */
fun put(key: Int, value: String) {
val pair = Pair(key, value)
fun put(key: Int, _val: String) {
val pair = Pair(key, _val)
val index = hashFunc(key)
buckets[index] = pair
}
@ -52,27 +46,29 @@ class ArrayHashMap {
/* 獲取所有鍵值對 */
fun pairSet(): MutableList<Pair> {
val pairSet = ArrayList<Pair>()
val pairSet = mutableListOf<Pair>()
for (pair in buckets) {
if (pair != null) pairSet.add(pair)
if (pair != null)
pairSet.add(pair)
}
return pairSet
}
/* 獲取所有鍵 */
fun keySet(): MutableList<Int> {
val keySet = ArrayList<Int>()
val keySet = mutableListOf<Int>()
for (pair in buckets) {
if (pair != null) keySet.add(pair.key)
if (pair != null)
keySet.add(pair.key)
}
return keySet
}
/* 獲取所有值 */
fun valueSet(): MutableList<String> {
val valueSet = ArrayList<String>()
val valueSet = mutableListOf<String>()
for (pair in buckets) {
pair?.let { valueSet.add(it.value) }
pair?.let { valueSet.add(it._val) }
}
return valueSet
}
@ -81,8 +77,8 @@ class ArrayHashMap {
fun print() {
for (kv in pairSet()) {
val key = kv.key
val value = kv.value
println("${key}->${value}")
val _val = kv._val
println("${key} -> ${_val}")
}
}
}
@ -104,7 +100,7 @@ fun main() {
/* 查詢操作 */
// 向雜湊表中輸入鍵 key ，得到值 value
val name: String? = map.get(15937)
val name = map.get(15937)
println("\n輸入學號 15937 ，查詢到姓名 $name")
/* 刪除操作 */
@ -114,16 +110,16 @@ fun main() {
map.print()
/* 走訪雜湊表 */
println("\n走訪鍵值對 Key->Value")
println("\n走訪鍵值對 Key -> Value")
for (kv in map.pairSet()) {
println("${kv.key} -> ${kv.value}")
println("${kv.key} -> ${kv._val}")
}
println("\n單獨走訪鍵 Key")
for (key in map.keySet()) {
println(key)
}
println("\n單獨走訪值 Value")
for (value in map.valueSet()) {
println(value)
for (_val in map.valueSet()) {
println(_val)
}
}
}