#include #include #include #include using std::cin; using std::cout; const char endl = '\n'; const int N = 405, M = 15005, INF = 0x3f3f3f3f; int n, m, s, t, flow, cost; // Graph int idx, head[N], ver[M << 1], next[M << 1]; std::pair edge[M << 1]; // void add(int u, int v, int c, int w) { next[idx] = head[u]; ver[idx] = v; edge[idx] = std::make_pair(c, w); head[u] = idx++; } // Dinic int dist[N]; bool vis[N]; bool spfa() { memset(vis, 0x00, sizeof(vis)); memset(dist, 0x3f, sizeof(dist)); std::queue q; q.push(s); dist[s] = 0; vis[s] = true; while (!q.empty()) { int u = q.front(); q.pop(); vis[u] = false; for (int i = head[u]; ~i; i = next[i]) { int v = ver[i], c = edge[i].first, w = edge[i].second; if (c > 0 && dist[v] > dist[u] + w) { dist[v] = dist[u] + w; if (!vis[v]) { q.push(v); vis[v] = true; } } } } return dist[t] != INF; } int dinic(int u, int limit) { if (u == t) return limit; int flow = 0; vis[u] = true; for (int i = head[u]; ~i && flow < limit; i = next[i]) { int v = ver[i], c = edge[i].first, w = edge[i].second; if (dist[v] == dist[u] + w && c && !vis[v]) { int k = dinic(v, std::min(c, limit - flow)); if (!k) dist[v] = INF; edge[i].first -= k; edge[i ^ 1].first += k; flow += k; cost += k * w; } } vis[u] = false; return flow; } int main() { std::ios::sync_with_stdio(false); memset(head, 0xff, sizeof(head)); cin >> n >> m; s = 1, t = n; for (int i = 1; i <= m; i++) { int u, v, c, w; cin >> u >> v >> c >> w; add(u, v, c, w); add(v, u, 0, -w); } while (spfa()) { flow += dinic(s, INF); } cout << flow << ' ' << cost << endl; return 0; }