1 files changed, 0 insertions, 42 deletions
diff --git a/datastructures/segmentTree.cpp b/datastructures/segmentTree.cpp
deleted file mode 100644
index 79c6cae..0000000
--- a/datastructures/segmentTree.cpp
+++ /dev/null
@@ -1,42 +0,0 @@
-struct SegTree {
-	using T = ll;
-	int n;
-	vector<T> tree;
-	static constexpr T E = 0; // Neutral element for combine
-
-	SegTree(vector<T>& a) : n(sz(a)), tree(2 * n) {
-	//SegTree(int size, T val = E) : n(size), tree(2 * n, val) {
-		copy(all(a), tree.begin() + n);
-		for (int i = n - 1; i > 0; i--) { // remove for range update
-			tree[i] = comb(tree[2 * i], tree[2 * i + 1]);
-	}}
-
-	ll comb(T a, T b) {return a + b;} // modify this + neutral
-
-	void update(int i, T val) {
-		tree[i += n] = val; // apply update code
-		while (i /= 2) tree[i] = comb(tree[2 * i], tree[2 * i + 1]);
-	}
-
-	T query(int l, int r) {
-		T resL = E, resR = E;
-		for (l += n, r += n; l < r; l /= 2, r /= 2) {
-			if (l&1) resL = comb(resL, tree[l++]);
-			if (r&1) resR = comb(tree[--r], resR);
-		}
-		return comb(resL, resR);
-	}
-
-	// OR: range update + point query, needs commutative comb
-	void modify(int l, int r, T val) {
-		for (l += n, r += n; l < r; l /= 2, r /= 2) {
-			if (l&1) tree[l] = comb(tree[l], val), l++;
-			if (r&1) --r, tree[r] = comb(tree[r], val);
-	}}
-
-	T query(int i) {
-		T res = E;
-		for (i += n; i > 0; i /= 2) res = comb(res, tree[i]);
-		return res;
-	}
-};