#include <iostream>
#include <vector>
using namespace std;
 
 
int main()
{
    int Node,Edge,node1,node2,cost;
    vector<int>nodes[100],costs[100];
    //vector<int>::iterator it;
    cout<<"Enter numbers of nodes: "<<endl;
    cin>>Node;
    cout<<"Enter numbers of edges: "<<endl;
    cin>>Edge;
    for(int i=0;i<Edge;i++){
        cout<<i+1<<"th edge's Node1: ";
        cin>>node1;
        cout<<i+1<<"th edge's Node2: ";
        cin>>node2;
        cout<<"Cost from "<<node1<<" to"<<node2<<": ";
        cin>>cost;
        cout<<endl;
        nodes[node1].push_back(node2);
        costs[node1].push_back(cost);
    }
    for(auto& n : nodes) {
        for(int i=0;i<n.size();i++){
            cout<<n[i]<<" ";
        }
        cout <<endl;
    }
 
    return 0;
}

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NSA0IAowIDIgMzAwCjAgMyAyNTAKMiAzIDE1MAo0IDEgNzU=

5 4 
0 2 300
0 3 250
2 3 150
4 1 75