Tietoverkko

input/code.cpp: In function 'std::map<int, int> Crossroads(int, int, int)':
input/code.cpp:14:23: error: '::koneet' has not been declared
  map<int,int> &ko = ::koneet[kone];
                       ^~~~~~
input/code.cpp:14:23: note: suggested alternative: 'kone'
  map<int,int> &ko = ::koneet[kone];
                       ^~~~~~
                       kone
input/code.cpp: In function 'int main()':
input/code.cpp:32:17: error: 'koneet' is not a member of 'std::map<int, int>'
  map<int,int> ::koneet[n];
                 ^~~~~~
input/code.cpp:38:3: error: 'koneet' was not declared in this scope
   koneet[c0][c1]=c2
   ^~~~~~
input/code.cpp:38:3: note: suggested alternative: 'mode_t'
   koneet[c0][c1]=c2
   ^~~~~~
   mode_t

#include <iostream>
#include <map>
using namespace std;
using std::map;

int total = 0;


map<int,int> Crossroads(int kone,int source,int sourceSpeed){
	map<int,int> yhteydet;
	yhteydet[sourceSpeed] = 1;
	int addTotal = 0;
	
	map<int,int> &ko = ::koneet[kone];
	/*
    map<int, int>::iterator itr;
	for (itr=ko.begin();itr!=ko.end();++itr){
	
	}*/
	for (auto &item : ko){
		if (item.first !=source){
			Crossroads(item.first,kone,item.second);
		}
	}
	::total+=addTotal;

	return yhteydet;
}
int main(){
	int n;
	cin >> n;
	map<int,int> ::koneet[n];
	for (int i = 0; i<n; i++){
		int c0,c1,c2;
		cin >> c0;
		cin >> c1;
		cin >> c2;
		koneet[c0][c1]=c2
		koneet[c1][c0]=c2
	}

	Crossroads(1,0,0);
	cout << ::total;

    return 0;
}