#include #include #include using namespace std; typedef pair P; typedef long long int ll; void bfs(int now,ll num); int n,m; vector

data[101]; ll cou[101] = {0}; int main(){ cin >> n >> m; for(int i=0;i> a >> b >> c; data[c].push_back(P(a,b)); } bfs(n,1); for(int i=1;i