get rid of all() and sz()

1 files changed, 6 insertions, 9 deletions

diff --git a/content/geometry/closestPair.cpp b/content/geometry/closestPair.cpp
index 9b115f3..bbefa67 100644
--- a/content/geometry/closestPair.cpp
+++ b/content/geometry/closestPair.cpp
@@ -4,12 +4,11 @@ ll rec(vector<pt>::iterator a, int l, int r) {
 	ll midx = a[m].real();
 	ll ans = min(rec(a, l, m), rec(a, m, r));
 
-	inplace_merge(a+l, a+m, a+r, [](const pt& x, const pt& y) {
-		return x.imag() < y.imag();
-	});
+	ranges::inplace_merge(a+l, a+m, a+r, {},
+		[](pt x) { return imag(x); });
 
 	pt tmp[8];
-	fill(all(tmp), a[l]);
+	ranges::fill(tmp, a[l]);
 	for (int i = l + 1, next = 0; i < r; i++) {
 		if (ll x = a[i].real() - midx; x * x < ans) {
 			for (pt& p : tmp) ans = min(ans, norm(p - a[i]));
@@ -19,9 +18,7 @@ ll rec(vector<pt>::iterator a, int l, int r) {
 	return ans;
 }
 
-ll shortestDist(vector<pt> a) { // sz(pts) > 1
-	sort(all(a), [](const pt& x, const pt& y) {
-		return x.real() < y.real();
-	});
-	return rec(a.begin(), 0, sz(a));
+ll shortestDist(vector<pt> a) { // size(pts) > 1
+	ranges::sort(a, {}, [](pt x) { return real(x); });
+	return rec(a.begin(), 0, ssize(a));
 }