consistency

1 files changed, 4 insertions, 4 deletions

diff --git a/graph/centroid.cpp b/graph/centroid.cpp
index c5187a5..2494464 100644
--- a/graph/centroid.cpp
+++ b/graph/centroid.cpp
@@ -1,13 +1,13 @@
 vector<int> s;
-void dfs_sz(int v, int parent = -1) {
+void dfs_sz(int v, int from = -1) {
 	s[v] = 1;
-	for (int u : adj[v]) if (u != parent) {
+	for (int u : adj[v]) if (u != from) {
 		dfs_sz(u, v);
 		s[v] += s[u];
 }}
 
-pair<int, int> dfs_cent(int v, int parent, int n) {
-	for (int u : adj[v]) if (u != parent) {
+pair<int, int> dfs_cent(int v, int from, int n) {
+	for (int u : adj[v]) if (u != from) {
 		if (2 * s[u] == n) return {v, u};
 		if (2 * s[u] > n) return dfs_cent(u, v, n);
 	}