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-rw-r--r--content/math/transforms/multiplyFFT.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/content/math/transforms/multiplyFFT.cpp b/content/math/transforms/multiplyFFT.cpp
index 0022d1f..963be94 100644
--- a/content/math/transforms/multiplyFFT.cpp
+++ b/content/math/transforms/multiplyFFT.cpp
@@ -1,6 +1,6 @@
vector<ll> mul(vector<ll>& a, vector<ll>& b) {
- int n = 1 << (__lg(sz(a) + sz(b) - 1) + 1);
- vector<cplx> a2(all(a)), b2(all(b));
+ int n = 1 << (__lg(ssize(a) + ssize(b) - 1) + 1);
+ vector<cplx> a2(begin(a), end(a)), b2(begin(b), end(b));
a2.resize(n), b2.resize(n);
fft(a2), fft(b2);
for (int i=0; i<n; i++) a2[i] *= b2[i];