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| author | Gloria Mundi <gloria@gloria-mundi.eu> | 2024-11-16 01:24:14 +0100 |
|---|---|---|
| committer | Gloria Mundi <gloria@gloria-mundi.eu> | 2024-11-16 01:24:14 +0100 |
| commit | 98567ec798aa8ca2cfbcb85c774dd470f30e30d4 (patch) | |
| tree | 5113d5cc24d1ad5f93810b6442ce584a36950dc8 /math/permIndex.cpp | |
| parent | ad3856a6b766087df0036de0b556f4700a6498c9 (diff) | |
| parent | 8d11c6c8213f46f0fa19826917c255edd5d43cb1 (diff) | |
mzuenni tests
Diffstat (limited to 'math/permIndex.cpp')
| -rw-r--r-- | math/permIndex.cpp | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/math/permIndex.cpp b/math/permIndex.cpp deleted file mode 100644 index 4cffc12..0000000 --- a/math/permIndex.cpp +++ /dev/null @@ -1,13 +0,0 @@ -ll permIndex(vector<ll> v) { - Tree<ll> t; - reverse(all(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--) { - res = res * i + v[i - 1]; - } - return res; -} |