结构体存有权图

#include<iostream>
#include<cstdio>
#include<vector>
using namespace std;
struct node{
	int to; 
	int val;
};
vector<node> vec[100005];
int main(){
	int n, m, a, b,c;
	cin >> n >> m;
	for(int i = 1; i <= m; i++){
		scanf("%d%d%d",&a,&b,&c);
		vec[a].push_back(node{b,c});//b对应to,c对应val		
	}
	return 0;
}