C++的邻接表

#include <iostream>
#include <vector>
using namespace std;

struct Node {
    int v, w;
    Node(int _v, int _w) : v(_v), w(_w) {}
};

int main()
{
    const int N = 10;
    vector<Node> Adj[N];
    Adj[0].push_back(Node(3, 4));

    std::cout << "Hello World!\n";
}