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@ -1587,77 +1587,6 @@ index = hash(key) % capacity
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var _val: String
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)
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/* 基於陣列實現的雜湊表 */
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class ArrayHashMap {
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// 初始化陣列,包含 100 個桶
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private val buckets = arrayOfNulls<Pair>(100)
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/* 雜湊函式 */
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fun hashFunc(key: Int): Int {
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val index = key % 100
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return index
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}
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/* 查詢操作 */
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fun get(key: Int): String? {
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val index = hashFunc(key)
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val pair = buckets[index] ?: return null
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return pair._val
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}
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/* 新增操作 */
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fun put(key: Int, _val: String) {
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val pair = Pair(key, _val)
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val index = hashFunc(key)
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buckets[index] = pair
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}
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/* 刪除操作 */
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fun remove(key: Int) {
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val index = hashFunc(key)
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// 置為 null ,代表刪除
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buckets[index] = null
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}
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/* 獲取所有鍵值對 */
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fun pairSet(): MutableList<Pair> {
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val pairSet = mutableListOf<Pair>()
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for (pair in buckets) {
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if (pair != null)
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pairSet.add(pair)
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}
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return pairSet
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}
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/* 獲取所有鍵 */
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fun keySet(): MutableList<Int> {
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val keySet = mutableListOf<Int>()
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for (pair in buckets) {
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if (pair != null)
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keySet.add(pair.key)
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}
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return keySet
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}
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/* 獲取所有值 */
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fun valueSet(): MutableList<String> {
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val valueSet = mutableListOf<String>()
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for (pair in buckets) {
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pair?.let { valueSet.add(it._val) }
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}
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return valueSet
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}
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/* 列印雜湊表 */
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fun print() {
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for (kv in pairSet()) {
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val key = kv.key
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val _val = kv._val
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println("${key} -> ${_val}")
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}
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}
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}
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/* 基於陣列實現的雜湊表 */
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class ArrayHashMap {
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// 初始化陣列,包含 100 個桶
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