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authorGloria Mundi <gloria@gloria-mundi.eu>2024-11-16 01:24:14 +0100
committerGloria Mundi <gloria@gloria-mundi.eu>2024-11-16 01:24:14 +0100
commit98567ec798aa8ca2cfbcb85c774dd470f30e30d4 (patch)
tree5113d5cc24d1ad5f93810b6442ce584a36950dc8 /datastructures/fenwickTree.cpp
parentad3856a6b766087df0036de0b556f4700a6498c9 (diff)
parent8d11c6c8213f46f0fa19826917c255edd5d43cb1 (diff)
mzuenni tests
Diffstat (limited to 'datastructures/fenwickTree.cpp')
-rw-r--r--datastructures/fenwickTree.cpp15
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;
-}