diff options
Diffstat (limited to 'datastructures/segmentTree.cpp')
| -rw-r--r-- | datastructures/segmentTree.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/datastructures/segmentTree.cpp b/datastructures/segmentTree.cpp index 79c6cae..2cbf466 100644 --- a/datastructures/segmentTree.cpp +++ b/datastructures/segmentTree.cpp @@ -4,9 +4,9 @@ struct SegTree { vector<T> tree; static constexpr T E = 0; // Neutral element for combine - SegTree(vector<T>& a) : n(sz(a)), tree(2 * n) { + SegTree(vector<T>& a) : n(ssize(a)), tree(2 * n) { //SegTree(int size, T val = E) : n(size), tree(2 * n, val) { - copy(all(a), tree.begin() + n); + ranges::copy(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]); }} |