diff --git a/graph/examples/tarjan-bridge.cc b/graph/examples/tarjan-bridge.cc
new file mode 100644
index 0000000..8423401
--- /dev/null
+++ b/graph/examples/tarjan-bridge.cc
@@ -0,0 +1,25 @@
+vector<bool> isbridge(m);
+{
+    vector<int> low(n + 1), dfn(n + 1), father(n + 1);
+    int dfs_clock = 0;
+    int cnt_bridge = 0;
+    auto dfs = [&] (auto dfs, int u, int fa) -> void {
+        father[u] = fa;
+        low[u] = dfn[u] = ++dfs_clock;
+        for (auto&& [v, i] : ch[u]) {
+            if (!dfn[v]) {
+                dfs(dfs, v, u);
+                low[u] = min(low[u], low[v]);
+                if (low[v] > dfn[u]) {
+                    isbridge[i] = true;
+                    ++cnt_bridge;
+                }
+            } else if (dfn[v] < dfn[u] && v != fa) {
+                low[u] = min(low[u], dfn[v]);
+            }
+        }
+    };
+    for (int i = 1; i <= n; ++i) {
+        if (not dfn[i]) dfs(dfs, i, 0);
+    }
+}