get rid of all() and sz()

1 files changed, 1 insertions, 1 deletions

diff --git a/content/math/transforms/fft.cpp b/content/math/transforms/fft.cpp
index 2bd95b2..1f80e36 100644
--- a/content/math/transforms/fft.cpp
+++ b/content/math/transforms/fft.cpp
@@ -1,7 +1,7 @@
 using cplx = complex<double>;
 
 void fft(vector<cplx>& a, bool inv = false) {
-	int n = sz(a);
+	int n = ssize(a);
 	for (int i = 0, j = 1; j < n - 1; ++j) {
 		for (int k = n >> 1; k > (i ^= k); k >>= 1);
 		if (j < i) swap(a[i], a[j]);