#include #include struct goldberg_tarjan { using cap_type = long long; struct edge { int to; cap_type cap; int rev; edge(int t, cap_type c, int r): to(t), cap(c), rev(r) {} }; int N; std::vector> G; std::vector exc; std::vector h; std::vector> que; std::vector qi; const cap_type INF = 1e18; goldberg_tarjan(int n): N(n), G(n) {} void add_edge(int from, int to, cap_type cap, cap_type rev_cap = 0) { G[from].emplace_back(to, cap, (int)(G[to].size())); G[to].emplace_back(from, rev_cap, (int)(G[from].size() - 1)); } void push(int from, edge& e) { cap_type fl = std::min(exc[from], e.cap); e.cap -= fl; G[e.to][e.rev].cap += fl; exc[from] -= fl; exc[e.to] += fl; } void relabel(int v) { h[v] = N - 1; for(const auto& e: G[v]) { if(e.cap > 0 && h[v] > h[e.to]) { h[v] = h[e.to]; } } h[v]++; } std::vector Q; int global_relabeling(int t) { for(int i = 0;i < N;i++) { que[i].clear(); qi[i] = 0; } int i = 0, qr = 0; Q[qr++] = t; h.assign(N, N); h[t] = 0; int hi = 0; while(i < qr) { int v = Q[i++]; hi = h[v]; if(exc[v] > 0 && v != t) { que[h[v]].push_back(v); } for(const auto& e: G[v]) { if(G[e.to][e.rev].cap > 0 && h[v] + 1 < h[e.to]) { h[e.to] = h[v] + 1; Q[qr++] = e.to; } } } return hi; } cap_type max_flow(int s, int t) { exc.assign(N, 0); exc[s] = INF; h.assign(N, 0); Q.resize(N); int cnt = 0; que.assign(N, std::vector()); qi.assign(N, 0); global_relabeling(t); if(h[s] == N) return 0; for(int di = h[s]; di >= 0;) { if(qi[di] == que[di].size()) { di--; continue; } int v = que[di][qi[di]++]; if(exc[v] == 0 || v == t) continue; for(auto& e: G[v]) { if(e.cap > 0 && h[v] == h[e.to] + 1) { push(v, e); if(exc[e.to] > 0 && e.to != t) { que[h[e.to]].push_back(e.to); } } } if(exc[v] == 0) continue; relabel(v); if(h[v] < N) { di = h[v]; que[h[v]].push_back(v); } if(++cnt % N == 0) { di = global_relabeling(t); } } return exc[t]; } }; #include using namespace std; using i64 = long long; #define rep(i,s,e) for(i64 (i) = (s);(i) < (e);(i)++) #define all(x) x.begin(),x.end() template static inline std::vector ndvec(size_t&& n, T val) noexcept { return std::vector(n, std::forward(val)); } template static inline auto ndvec(size_t&& n, Tail&&... tail) noexcept { return std::vector(tail)...))>(n, ndvec(std::forward(tail)...)); } template struct chain { Cond cond; chain(Cond cond) : cond(cond) {} bool operator()(T& a, const T& b) const { if(cond(a, b)) { a = b; return true; } return false; } }; template chain make_chain(Cond cond) { return chain(cond); } int main() { cin.tie(nullptr); std::ios::sync_with_stdio(false); int H, W; cin >> H >> W; goldberg_tarjan gt(H + W + 2); int s = H + W; int t = s + 1; vector A(H, 0); rep(i,0,H) rep(j,0,W) { i64 g; cin >> g; A[i] += g; gt.add_edge(i, H + j, g); } i64 sum = 0; rep(i,0,H) { i64 r; cin >> r; i64 MIN = std::min(A[i], r); sum += r - MIN; gt.add_edge(s, i, A[i] - MIN); } rep(i,0,W) { i64 r; cin >> r; sum += r; gt.add_edge(H + i, t, r); } cout << sum - gt.max_flow(s, t) << "\n"; }