#include #include #include #include #include #include using namespace std; const int maxn = 300; int idx[maxn], sz[maxn]; void init_values() { for(int i = 0; i < maxn; i++) { idx[i] = i; sz[i] = 1; } } int find_root(int x) { while(x != idx[x]) { idx[x] = idx[idx[x]]; x = idx[x]; } return x; } bool check(int A, int B) { if(find_root(A) == find_root(B)) { return true; } return false; } void unite(int A, int B) { int root_a = find_root(A); int root_b = find_root(B); if(root_a != root_b) { if(sz[root_a] < sz[root_b]) { sz[root_b] += sz[root_a]; idx[root_a] = idx[root_b]; } else { sz[root_a] += sz[root_b]; idx[root_b] = idx[root_a]; } } } int main() { init_values(); int n, m; cin >> n >> m; vector > > graph; for(int i = 0; i < m; i++) { int a, b, c; cin >> a >> b >> c; graph.push_back(make_pair(c, make_pair(a, b))); } sort(graph.begin(), graph.end()); int MST1 = 0; vector > mst; for(int i = 0; i < m; i++) { int a = graph[i].second.first; int b = graph[i].second.second; int c = graph[i].first; if(!check(a, b)) { unite(a, b); MST1 += c; mst.push_back(make_pair(a, b)); } } int MST2 = 2e9; for(int i = 0; i < mst.size(); i++) { init_values(); int cnt = 0; int tmp_mst = 0; for(int j = 0; j < m; j++) { int a = graph[j].second.first; int b = graph[j].second.second; int c = graph[j].first; if(a == mst[i].first and b == mst[i].second) continue; if(!check(a, b)) { unite(a, b); tmp_mst += c; cnt++; } } if(cnt == n - 1) { MST2 = min(MST2, tmp_mst); } } cout << MST1 << " " << MST2 << endl; return 0; }