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Diffstat (limited to 'content/math/transforms/orTransform.cpp')
| -rw-r--r-- | content/math/transforms/orTransform.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/content/math/transforms/orTransform.cpp b/content/math/transforms/orTransform.cpp index eb1da44..1833ac5 100644 --- a/content/math/transforms/orTransform.cpp +++ b/content/math/transforms/orTransform.cpp @@ -1,8 +1,8 @@ void fft(vector<ll>& a, bool inv = false) { - int n = sz(a); + int n = ssize(a); for (int s = 1; s < n; s *= 2) { for (int i = 0; i < n; i += 2 * s) { for (int j = i; j < i + s; j++) { - ll& u = a[j], &v = a[j + s]; - tie(u, v) = inv ? pair(v, u - v) : pair(u + v, u); + ll &u = a[j], &v = a[j + s]; + v = inv ? v - u : v + u; }}}} |