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  • C++ Tree node ,when g++ compile multiple cpp files should list them respectively

    //TreeNode.h
    #include <iostream>
    using namespace std;
    
    class TreeNode
    {
    public:
        int val;
        TreeNode *left;
        TreeNode *right;
        TreeNode *NewTreeNode(int keyValue);
        void treeNode7();
    };
    //TreeNode.cpp
    #include "TreeNode.h"
    TreeNode* TreeNode::NewTreeNode(int keyValue)
    {           
        //Create a new node
        TreeNode *node=new TreeNode;
    
        //assign a value
        node->val=keyValue;
    
        //Initialize Left and Right pointer
        node->left=NULL;
        node->right=NULL;
        return node;
    }
    
    void TreeNode::treeNode7()
    {
        TreeNode *root=NewTreeNode(1);
        root->left=NewTreeNode(2);
        root->right=NewTreeNode(3);
        root->left->left=NewTreeNode(4);
        root->left->right=NewTreeNode(5);
        root->right->left=NewTreeNode(6);
        root->right->right=NewTreeNode(7);
        
        cout<<"root->val="<<root->val<<endl;
        cout<<"root->left->val="<<root->left->val<<endl;
        cout<<"root->left->left->val="<<root->left->left->val<<endl;
        cout<<"root->left->right->val="<<root->left->right->val<<endl;
        cout<<"root->right->left->val="<<root->right->left->val<<endl;
        cout<<"root->right->right->val"<<root->right->right->val<<endl;
    }
     

    Compile via

    g++ -g -std=c++2a -I. h1.cpp TreeNode.cpp -o h1 -luuid

    When compile multiple cpp files ,please add them respectively in the command as above  

    Run ./h1

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  • 原文地址:https://www.cnblogs.com/Fred1987/p/15781295.html
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