1 files changed, 0 insertions, 64 deletions
diff --git a/graph/pushRelabel.cpp b/graph/pushRelabel.cpp
deleted file mode 100644
index 904aec6..0000000
--- a/graph/pushRelabel.cpp
+++ /dev/null
@@ -1,64 +0,0 @@
-struct Edge {
-	int to, rev;
-	ll f, c;
-};
-
-vector<vector<Edge>> adj;
-vector<vector<int>> hs;
-vector<ll> ec;
-vector<int> cur, H;
-
-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});
-}
-
-void addFlow(Edge& e, ll f) {
-	if (ec[e.to] == 0 && f > 0)
-		hs[H[e.to]].push_back(e.to);
-	e.f += f;
-	adj[e.to][e.rev].f -= f;
-	ec[e.to] += f;
-	ec[adj[e.to][e.rev].to] -= f;
-}
-
-ll maxFlow(int s, int t) {
-	int n = sz(adj);
-	hs.assign(2*n, {});
-	ec.assign(n, 0);
-	cur.assign(n, 0);
-	H.assign(n, 0);
-	H[s] = n;
-	ec[t] = 1;//never set t to active...
-	vector<int> co(2*n);
-	co[0] = n - 1;
-	for (Edge& e : adj[s]) addFlow(e, e.c);
-	for (int hi = 0;;) {
-		while (hs[hi].empty()) if (!hi--) return -ec[s];
-		int v = hs[hi].back();
-		hs[hi].pop_back();
-		while (ec[v] > 0) {
-			if (cur[v] == sz(adj[v])) {
-				H[v] = 2*n;
-				for (int i = 0; i < sz(adj[v]); i++) {
-					Edge& e = adj[v][i];
-					if (e.c - e.f > 0 &&
-					    H[v] > H[e.to] + 1) {
-						H[v] = H[e.to] + 1;
-						cur[v] = i;
-				}}
-				co[H[v]]++;
-				if (!--co[hi] && hi < n) {
-					for (int i = 0; i < n; i++) {
-						if (hi < H[i] && H[i] < n) {
-							co[H[i]]--;
-							H[i] = n + 1;
-				}}}
-				hi = H[v];
-			} else {
-				Edge& e = adj[v][cur[v]];
-				if (e.c - e.f > 0 && H[v] == H[e.to] + 1) {
-					addFlow(adj[v][cur[v]], min(ec[v], e.c - e.f));
-				} else {
-					cur[v]++;
-}}}}}