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Diffstat (limited to 'content/math/transforms/andTransform.cpp')
| -rw-r--r-- | content/math/transforms/andTransform.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/content/math/transforms/andTransform.cpp b/content/math/transforms/andTransform.cpp index 1e9cfc0..9e40c74 100644 --- a/content/math/transforms/andTransform.cpp +++ b/content/math/transforms/andTransform.cpp @@ -4,5 +4,5 @@ void fft(vector<ll>& a, bool inv = false) { 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, u) : pair(v, u + v); + tie(u, v) = inv ? pair(u - v, v) : pair(u + v, v); }}}} |