mzuenni tests

1 files changed, 0 insertions, 82 deletions

diff --git a/graph/blossom.cpp b/graph/blossom.cpp
deleted file mode 100644
index 7bd494a..0000000
--- a/graph/blossom.cpp
+++ /dev/null
@@ -1,82 +0,0 @@
-struct GM {
-	vector<vector<int>> adj;
-	// pairs ist der gematchte knoten oder n
-	vector<int> pairs, first, que;
-	vector<pair<int, int>> label;
-	int head, tail;
-
-	GM(int n) : adj(n), pairs(n + 1, n), first(n + 1, n),
-	            que(n), label(n + 1, {-1, -1}) {}
-
-	void rematch(int u, int v) {
-		int t = pairs[u]; pairs[u] = v;
-		if (pairs[t] != u) return;
-		if (label[u].second == -1) {
-			pairs[t] = label[u].first;
-			rematch(pairs[t], t);
-		} else {
-			auto [x, y] = label[u];
-			rematch(x, y);
-			rematch(y, x);
-	}}
-
-	int findFirst(int v) {
-		return label[first[v]].first < 0 ? first[v]
-		     : first[v] = findFirst(first[v]);
-	}
-
-	void relabel(int x, int y) {
-		int r = findFirst(x);
-		int s = findFirst(y);
-		if (r == s) return;
-		auto h = label[r] = label[s] = {~x, y};
-		int join;
-		while (true) {
-			if (s != sz(adj)) swap(r, s);
-			r = findFirst(label[pairs[r]].first);
-			if (label[r] == h) {
-				join = r;
-				break;
-			} else {
-				label[r] = h;
-		}}
-		for (int v : {first[x], first[y]}) {
-			for (; v != join; v = first[label[pairs[v]].first]) {
-				label[v] = {x, y};
-				first[v] = join;
-				que[tail++] = v;
-	}}}
-
-	bool augment(int v) {
-		label[v] = {sz(adj), -1};
-		first[v] = sz(adj);
-		head = tail = 0;
-		for (que[tail++] = v; head < tail;) {
-			int x = que[head++];
-			for (int y : adj[x]) {
-				if (pairs[y] == sz(adj) && y != v) {
-					pairs[y] = x;
-					rematch(x, y);
-					return true;
-				} else if (label[y].first >= 0) {
-					relabel(x, y);
-				} else if (label[pairs[y]].first == -1) {
-					label[pairs[y]].first = x;
-					first[pairs[y]] = y;
-					que[tail++] = pairs[y];
-		}}}
-		return false;
-	}
-
-	int match() {
-		int matching = head = tail = 0;
-		for (int v = 0; v < sz(adj); v++) {
-			if (pairs[v] < sz(adj) || !augment(v)) continue;
-			matching++;
-			for (int i = 0; i < tail; i++)
-				label[que[i]] = label[pairs[que[i]]] = {-1, -1};
-			label[sz(adj)] = {-1, -1};
-		}
-		return matching;
-	}
-};