diff --git a/fontes/topo.h b/fontes/topo.h
index 0a3530e395c2117fd3fd7dd72be8344050506708..285df03d14fbd701398caa9639b07e7f649dfe1d 100644
--- a/fontes/topo.h
+++ b/fontes/topo.h
@@ -1,19 +1,19 @@
 vector<bool> vis (N); stack<int> st;
 
 void dfs_topo(int u) {
-    if (vis[u]) { return; }
-    vis[u] = 1;
-    for (int v : g[u]) { dfs_topo(v); }
-    st.push(u);
+  if (vis[u]) { return; }
+  vis[u] = 1;
+  for (int v : g[u]) { dfs_topo(v); }
+  st.push(u);
 }
 
 vector<int> toposort(int n) {
   fill(visited.begin(), visited.begin() + n, false);
-    vector<int> topo;
-    for (int u = 0; u < n; u++) { dfs_topo(u); }
-    while (!st.empty()) {
-        int v = st.top(); st.pop();
-        topo.push_back(v);
-    }
-    return topo;
+  vector<int> topo;
+  for (int u = 0; u < n; u++) { dfs_topo(u); }
+  while (!st.empty()) {
+    int v = st.top(); st.pop();
+    topo.push_back(v);
+  }
+  return topo;
 }