1 files changed, 0 insertions, 15 deletions
diff --git a/datastructures/fenwickTree.cpp b/datastructures/fenwickTree.cpp
deleted file mode 100644
index 7013613..0000000
--- a/datastructures/fenwickTree.cpp
+++ /dev/null
@@ -1,15 +0,0 @@
-vector<ll> tree;
-
-void update(int i, ll val) {
-	for (i++; i < ssize(tree); i += i & -i) tree[i] += val;
-}
-
-void init(int n) {
-	tree.assign(n + 1, 0);
-}
-
-ll prefix_sum(int i) {
-	ll sum = 0;
-	for (; i > 0; i &= i-1) sum += tree[i];
-	return sum;
-}