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Commite183122

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Added 0706-design-hashmap.cs
1 parent027cb6c commite183122

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1 file changed

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1 file changed

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‎csharp/0706-design-hashmap.cs

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publicclassMyHashMap
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{
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privateclassLinkedListNode
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{
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publicLinkedListNode(intkey,intval,LinkedListNodenext)
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{
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this.Key=key;
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this.Val=val;
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this.Next=next;
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}
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publicintKey{get;set;}
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publicintVal{get;set;}
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publicLinkedListNodeNext{get;set;}
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}
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publicMyHashMap()
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{
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Map=newLinkedListNode[10000];
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}
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publicintHash(intkey)
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{
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returnkey%Map.Length;
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}
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publicvoidPut(intkey,intvalue)
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{
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intindex=Hash(key);
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if(Map[index]==null)
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Map[index]=newLinkedListNode(key,value,null);
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else
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{
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LinkedListNodenode=Map[index];
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while(true)
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{
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if(node.Key==key)
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{
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node.Val=value;
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return;
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}
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if(node.Next==null)
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break;
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else
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node=node.Next;
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}
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node.Next=newLinkedListNode(key,value,null);
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}
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}
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publicintGet(intkey)
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{
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intindex=Hash(key);
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LinkedListNodenode=Map[index];
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if(node!=null)
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{
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while(true)
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{
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if(node.Key==key)
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returnnode.Val;
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if(node.Next==null)
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break;
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else
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node=node.Next;
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}
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}
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return-1;
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}
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publicvoidRemove(intkey)
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{
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intindex=Hash(key);
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LinkedListNodenode=Map[index];
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if(node==null)
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return;
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if(node.Key==key)
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{
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Map[index]=node.Next;
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node=null;
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return;
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}
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while(node.Next!=null)
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{
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if(node.Next.Key==key)
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{
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node.Next=node.Next.Next;
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return;
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}
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node=node.Next;
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}
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}
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privateLinkedListNode[]Map{get;set;}
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}

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