1 files changed, 0 insertions, 26 deletions
diff --git a/datastructures/monotonicConvexHull.cpp b/datastructures/monotonicConvexHull.cpp
deleted file mode 100644
index e7b9b3e..0000000
--- a/datastructures/monotonicConvexHull.cpp
+++ /dev/null
@@ -1,26 +0,0 @@
-struct Envelope {
-	struct Line {
-		ll m, b;
-		ll operator()(ll x) { return m*x+b; }
-	};
-
-	vector<Line> ls;
-	int ptr = 0;
-
-	static bool bad(Line l1, Line l2, Line l3) {
-		return (l3.b-l1.b)*(l1.m-l2.m) < (l2.b-l1.b)*(l1.m-l3.m);
-	}
-
-	void add(ll m, ll b) {
-		while (sz(ls) > 1 && bad(ls.end()[-2], ls.back(), {m, b})) {
-			ls.pop_back();
-		}
-		ls.push_back({m, b});
-		ptr = min(ptr, sz(ls) - 1);
-	}
-
-	ll query(ll x) {
-		while (ptr < sz(ls)-1 && ls[ptr + 1](x) < ls[ptr](x)) ptr++;
-		return ls[ptr](x);
-	}
-};