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@@ -87,7 +87,7 @@ class List
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return result;
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}
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- virtual void pop(Node<T>* node)
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+ virtual Node<T> pop(Node<T>* node)
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{
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node->next->prev = node->prev;
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node->prev->next = node->next;
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@@ -95,7 +95,7 @@ class List
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return node;
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}
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- virtual void pop(int index)
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+ virtual Node<T> pop(int index)
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{
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Node<T> result;
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if (index==0) {
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