diff options
Diffstat (limited to 'graph/LCA_sparse.cpp')
| -rw-r--r-- | graph/LCA_sparse.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/graph/LCA_sparse.cpp b/graph/LCA_sparse.cpp index 2a864c0..06b294f 100644 --- a/graph/LCA_sparse.cpp +++ b/graph/LCA_sparse.cpp @@ -10,16 +10,16 @@ struct LCA { first.assign(sz(adj), 2 * sz(adj)); idx = 0; dfs(adj, root); - st.init(&depth); + st.init(depth); } - void dfs(vector<vector<int>>& adj, int v, ll d=0, int p=-1) { + void dfs(vector<vector<int>>& adj, int v, ll d=0) { visited[idx] = v, depth[idx] = d; first[v] = min(idx, first[v]), idx++; for (int u : adj[v]) { if (first[u] == 2 * sz(adj)) { - dfs(adj, u, d + 1, v); + dfs(adj, u, d + 1); visited[idx] = v, depth[idx] = d, idx++; }}} |