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Diffstat (limited to 'content/math/permIndex.cpp')
| -rw-r--r-- | content/math/permIndex.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/content/math/permIndex.cpp b/content/math/permIndex.cpp index 4cffc12..563b33a 100644 --- a/content/math/permIndex.cpp +++ b/content/math/permIndex.cpp @@ -1,12 +1,12 @@ ll permIndex(vector<ll> v) { Tree<ll> t; - reverse(all(v)); + ranges::reverse(v); for (ll& x : v) { t.insert(x); x = t.order_of_key(x); } ll res = 0; - for (int i = sz(v); i > 0; i--) { + for (int i = ssize(v); i > 0; i--) { res = res * i + v[i - 1]; } return res; |