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krahets
2024-04-09 20:43:40 +08:00
parent d8caf02e9e
commit a6adc8e20a
48 changed files with 1599 additions and 571 deletions
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docs/chapter_hashing/hash_map.md
+18 -26
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@@ -1589,15 +1589,9 @@ index = hash(key) % capacity
/* 基于数组实现的哈希表 */
class ArrayHashMap {
// 初始化数组，包含 100 个桶
private val buckets = arrayOfNulls<Pair>(100)
init {
// 初始化数组，包含 100 个桶
for (i in 0..<100) {
buckets[i] = null
}
}
/* 哈希函数 */
fun hashFunc(key: Int): Int {
val index = key % 100
@@ -1627,25 +1621,27 @@ index = hash(key) % capacity
/* 获取所有键值对 */
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
}
/* 获取所有键 */
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
}
/* 获取所有值 */
fun valueSet(): MutableList<String> {
val valueSet = ArrayList<String>()
val valueSet = mutableListOf<String>()
for (pair in buckets) {
pair?.let { valueSet.add(it.value) }
}
@@ -1657,22 +1653,16 @@ index = hash(key) % capacity
for (kv in pairSet()) {
val key = kv.key
val value = kv.value
println("${key}->${value}")
println("${key} -> ${value}")
}
}
}
/* 基于数组实现的哈希表 */
class ArrayHashMap {
// 初始化数组，包含 100 个桶
private val buckets = arrayOfNulls<Pair>(100)
init {
// 初始化数组，包含 100 个桶
for (i in 0..<100) {
buckets[i] = null
}
}
/* 哈希函数 */
fun hashFunc(key: Int): Int {
val index = key % 100
@@ -1702,25 +1692,27 @@ index = hash(key) % capacity
/* 获取所有键值对 */
fun pairSet(): MutableList<Pair> {
val pairSet = ArrayList<Pair>()
val pairSet = mutableListOf<Pair>()
for (pair in buckets) {
if (pair != null) pairSet.add(pair)
if (pair != null)
pairSet.add(pair)
}
return pairSet
}
/* 获取所有键 */
fun keySet(): MutableList<Int> {
val keySet = ArrayList<Int>()
val keySet = mutableListOf<Int>()
for (pair in buckets) {
if (pair != null) keySet.add(pair.key)
if (pair != null)
keySet.add(pair.key)
}
return keySet
}
/* 获取所有值 */
fun valueSet(): MutableList<String> {
val valueSet = ArrayList<String>()
val valueSet = mutableListOf<String>()
for (pair in buckets) {
pair?.let { valueSet.add(it.value) }
}
@@ -1732,7 +1724,7 @@ index = hash(key) % capacity
for (kv in pairSet()) {
val key = kv.key
val value = kv.value
println("${key}->${value}")
println("${key} -> ${value}")
}
}
}