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-rw-r--r--graph/dinicScaling.cpp51
1 files changed, 0 insertions, 51 deletions
diff --git a/graph/dinicScaling.cpp b/graph/dinicScaling.cpp
deleted file mode 100644
index f4e833a..0000000
--- a/graph/dinicScaling.cpp
+++ /dev/null
@@ -1,51 +0,0 @@
-struct Edge {
- int to, rev;
- ll f, c;
-};
-
-vector<vector<Edge>> adj;
-int s, t;
-vector<int> pt, dist;
-
-void addEdge(int u, int v, ll c) {
- adj[u].push_back({v, (int)sz(adj[v]), 0, c});
- adj[v].push_back({u, (int)sz(adj[u]) - 1, 0, 0});
-}
-
-bool bfs(ll lim) {
- dist.assign(sz(adj), -1);
- dist[s] = 0;
- queue<int> q({s});
- while (!q.empty() && dist[t] < 0) {
- int v = q.front(); q.pop();
- for (Edge& e : adj[v]) {
- if (dist[e.to] < 0 && e.c - e.f >= lim) {
- dist[e.to] = dist[v] + 1;
- q.push(e.to);
- }}}
- return dist[t] >= 0;
-}
-
-bool dfs(int v, ll flow) {
- if (v == t) return true;
- for (; pt[v] < sz(adj[v]); pt[v]++) {
- Edge& e = adj[v][pt[v]];
- if (dist[e.to] != dist[v] + 1) continue;
- if (e.c - e.f >= flow && dfs(e.to, flow)) {
- e.f += flow;
- adj[e.to][e.rev].f -= flow;
- return true;
- }}
- return false;
-}
-
-ll maxFlow(int source, int target) {
- s = source, t = target;
- ll flow = 0;
- for (ll lim = (1LL << 62); lim >= 1; lim /= 2) {
- while (bfs(lim)) {
- pt.assign(sz(adj), 0);
- while (dfs(s, lim)) flow += lim;
- }}
- return flow;
-}