/* #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") //*/ #include // #include using namespace std; // using namespace atcoder; #define DEBUG(x) cerr<<#x<<": "< #define vl vector #define vii vector< vector > #define vll vector< vector > #define vs vector #define pii pair #define pis pair #define psi pair #define pll pair template pair operator+(const pair &s, const pair &t) { return pair(s.first + t.first, s.second + t.second); } template pair operator-(const pair &s, const pair &t) { return pair(s.first - t.first, s.second - t.second); } template ostream& operator<<(ostream& os, pair p) { os << "(" << p.first << ", " << p.second << ")"; return os; } #define X first #define Y second #define rep(i,n) for(int i=0;i<(int)(n);i++) #define rep1(i,n) for(int i=1;i<=(int)(n);i++) #define rrep(i,n) for(int i=(int)(n)-1;i>=0;i--) #define rrep1(i,n) for(int i=(int)(n);i>0;i--) #define REP(i,a,b) for(int i=a;i bool chmax(T &a, const T &b) { if (a bool chmin(T &a, const T &b) { if (a>b) { a = b; return 1; } return 0; } #define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end()); const ll inf = 1000000001; const ll INF = (ll)1e18 + 1; const long double pi = 3.1415926535897932384626433832795028841971L; int popcount(ll t) { return __builtin_popcountll(t); } // int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1}; // int dx2[8] = { 1,1,0,-1,-1,-1,0,1 }, dy2[8] = { 0,1,1,1,0,-1,-1,-1 }; vi dx = {0, 1, 0, -1}, dy = {-1, 0, 1, 0}; // vi dx2 = { 1,1,0,-1,-1,-1,0,1 }, dy2 = { 0,1,1,1,0,-1,-1,-1 }; struct Setup_io { Setup_io() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); cout << fixed << setprecision(25); } } setup_io; const ll MOD = 1000000007; // const ll MOD = 998244353; // #define mp make_pair //#define endl '\n' class UnionFind { public: int n; vi par; //�e vi ran; //�؂̐[�� vi num; //�v�f�� int g; // group�� UnionFind(int _n) { n = _n; g = n; par.resize(n); ran.resize(n); num.resize(n); for (int i = 0; i < n; i++) { par[i] = i; ran[i] = 0; num[i] = 1; } } //�؂̍������߂� int find(int x) { if (par[x] == x) { return x; } else { return par[x] = find(par[x]); } } //x��y�̑�����W���𕹍� void unite(int x, int y) { x = find(x); y = find(y); int numsum = num[x] + num[y]; if (x == y) { return; } if (ran[x] qu; qu.push(start); while (qu.size()) { int u = qu.front(); qu.pop(); for (int v: G[u]) { ll ncost = dist[u] + 1; if (dist[v] > ncost) { dist[v] = ncost; qu.push(v); } } } return dist; } const int N = 111111; vii G(N); signed main() { int n, m; cin >> n >> m; using P = pair; vector

ed; rep (i, m) { int u, v, w; cin >> u >> v >> w; u--; v--; ed.push_back(P(w, pii(u, v))); } sort(all(ed)); reverse(all(ed)); UnionFind uf(n); ll W; for (P temp: ed) { auto [w, uv] = temp; auto [u, v] = uv; uf.unite(u, v); if (uf.same(0, n - 1)) { W = w; break; } } for (P temp: ed) { auto [w, uv] = temp; auto [u, v] = uv; if (w >= W) { G[u].push_back(v); G[v].push_back(u); } } vl dist = bfs(G, 0, n); cout << W << " " << dist[n - 1] << endl; }