squezed in new code :D

1 files changed, 4 insertions, 5 deletions

diff --git a/geometry/antipodalPoints.cpp b/geometry/antipodalPoints.cpp
index 06efd6c..db39b39 100644
--- a/geometry/antipodalPoints.cpp
+++ b/geometry/antipodalPoints.cpp
@@ -1,13 +1,12 @@
 vector<pair<int, int>> antipodalPoints(vector<pt>& h) {
+	if (sz(h) < 2) return {};
 	vector<pair<int, int>> result;
-	int n = sz(h);
-	if (n < 2) return result;
 	for (int i = 0, j = 1; i < j; i++) {
 		while (true) {
 			result.push_back({i, j});
-			if (cross(h[(i + 1) % n] - h[i], 
-			          h[(j + 1) % n] - h[j]) <= 0) break;
-			j = (j + 1) % n;
+			if (cross(h[(i + 1) % sz(h)] - h[i], 
+			          h[(j + 1) % sz(h)] - h[j]) <= 0) break;
+			j = (j + 1) % sz(h);
 	}}
 	return result;
 }