fix: Use std::swap for clarity in fft_change function

weilycoder · weilycoder · commit 84657b2fc04b · 2025-11-07T09:14:15.000+08:00
diff --git a/weilycoder/poly/fft_utility.hpp b/weilycoder/poly/fft_utility.hpp
@@ -38,7 +38,7 @@ template <typename T> void fft_change(std::vector<T> &a) {
     if (i & 1)
       rev[i] |= n >> 1;
     if (i < rev[i])
-      swap(a[i], a[rev[i]]);
+      std::swap(a[i], a[rev[i]]);
   }
 }
 } // namespace weilycoder

Original file line number	Diff line number	Diff line change
`@@ -38,7 +38,7 @@ template <typename T> void fft_change(std::vector<T> &a) {`
`38`	`38`	`if (i & 1)`
`39`	`39`	`rev[i] \|= n >> 1;`
`40`	`40`	`if (i < rev[i])`
`41`		`- swap(a[i], a[rev[i]]);`
	`41`	`+ std::swap(a[i], a[rev[i]]);`
`42`	`42`	`}`
`43`	`43`	`}`
`44`	`44`	`} // namespace weilycoder`