diff --git a/.verify-helper/timestamps.remote.json b/.verify-helper/timestamps.remote.json
index 062553ae..6a1ce4ae 100644
--- a/.verify-helper/timestamps.remote.json
+++ b/.verify-helper/timestamps.remote.json
@@ -50,28 +50,28 @@
 "tests/library_checker_aizu_tests/flow/dinic_aizu.test.cpp": "2024-11-17 14:04:03 -0600",
 "tests/library_checker_aizu_tests/flow/hungarian.test.cpp": "2024-11-17 14:04:03 -0600",
 "tests/library_checker_aizu_tests/flow/min_cost_max_flow.test.cpp": "2024-12-05 10:41:42 -0600",
-"tests/library_checker_aizu_tests/graphs/bcc_callback_aizu_bcc.test.cpp": "2025-07-08 19:09:51 -0600",
-"tests/library_checker_aizu_tests/graphs/bcc_callback_aizu_two_edge_cc.test.cpp": "2025-07-08 19:09:51 -0600",
-"tests/library_checker_aizu_tests/graphs/bcc_callback_lib_checker_bcc.test.cpp": "2025-07-08 19:09:51 -0600",
-"tests/library_checker_aizu_tests/graphs/bcc_callback_lib_checker_two_cc.test.cpp": "2025-07-08 19:09:51 -0600",
-"tests/library_checker_aizu_tests/graphs/biconnected_components.test.cpp": "2025-08-04 17:01:28 -0600",
-"tests/library_checker_aizu_tests/graphs/connected_components_of_complement_graph.test.cpp": "2024-12-14 19:50:29 -0600",
+"tests/library_checker_aizu_tests/graphs/bcc_callback_aizu_bcc.test.cpp": "2025-08-06 15:33:00 -0600",
+"tests/library_checker_aizu_tests/graphs/bcc_callback_aizu_two_edge_cc.test.cpp": "2025-08-06 15:33:00 -0600",
+"tests/library_checker_aizu_tests/graphs/bcc_callback_lib_checker_bcc.test.cpp": "2025-08-06 15:33:00 -0600",
+"tests/library_checker_aizu_tests/graphs/bcc_callback_lib_checker_two_cc.test.cpp": "2025-08-06 15:33:00 -0600",
+"tests/library_checker_aizu_tests/graphs/biconnected_components.test.cpp": "2025-08-06 15:33:00 -0600",
+"tests/library_checker_aizu_tests/graphs/connected_components_of_complement_graph.test.cpp": "2025-08-06 15:33:00 -0600",
 "tests/library_checker_aizu_tests/graphs/dijkstra_aizu.test.cpp": "2024-12-14 19:50:29 -0600",
 "tests/library_checker_aizu_tests/graphs/dijkstra_lib_checker.test.cpp": "2024-12-14 19:50:29 -0600",
-"tests/library_checker_aizu_tests/graphs/directed_cycle.test.cpp": "2025-08-04 17:01:28 -0600",
-"tests/library_checker_aizu_tests/graphs/enumerate_triangles.test.cpp": "2025-08-04 17:01:28 -0600",
+"tests/library_checker_aizu_tests/graphs/directed_cycle.test.cpp": "2025-08-06 15:33:00 -0600",
+"tests/library_checker_aizu_tests/graphs/enumerate_triangles.test.cpp": "2025-08-06 15:33:00 -0600",
 "tests/library_checker_aizu_tests/graphs/hopcroft_karp_aizu.test.cpp": "2025-02-10 23:30:47 -0700",
 "tests/library_checker_aizu_tests/graphs/hopcroft_karp_lib_checker.test.cpp": "2025-02-10 23:30:47 -0700",
 "tests/library_checker_aizu_tests/graphs/mst.test.cpp": "2024-11-17 14:04:03 -0600",
-"tests/library_checker_aizu_tests/graphs/offline_incremental_scc.test.cpp": "2025-08-04 17:01:28 -0600",
-"tests/library_checker_aizu_tests/graphs/strongly_connected_components_aizu.test.cpp": "2025-08-04 17:01:28 -0600",
-"tests/library_checker_aizu_tests/graphs/strongly_connected_components_lib_checker.test.cpp": "2025-08-04 17:01:28 -0600",
-"tests/library_checker_aizu_tests/graphs/two_edge_components.test.cpp": "2025-08-04 17:01:28 -0600",
-"tests/library_checker_aizu_tests/handmade_tests/count_paths.test.cpp": "2025-08-06 13:48:07 -0600",
+"tests/library_checker_aizu_tests/graphs/offline_incremental_scc.test.cpp": "2025-08-06 15:33:00 -0600",
+"tests/library_checker_aizu_tests/graphs/strongly_connected_components_aizu.test.cpp": "2025-08-06 15:33:00 -0600",
+"tests/library_checker_aizu_tests/graphs/strongly_connected_components_lib_checker.test.cpp": "2025-08-06 15:33:00 -0600",
+"tests/library_checker_aizu_tests/graphs/two_edge_components.test.cpp": "2025-08-06 15:33:00 -0600",
+"tests/library_checker_aizu_tests/handmade_tests/count_paths.test.cpp": "2025-08-06 15:30:13 -0600",
 "tests/library_checker_aizu_tests/handmade_tests/dsu_size.test.cpp": "2024-12-14 19:50:29 -0600",
 "tests/library_checker_aizu_tests/handmade_tests/edge_cd_small_trees.test.cpp": "2025-04-27 21:47:37 -0600",
 "tests/library_checker_aizu_tests/handmade_tests/fib_matrix_expo.test.cpp": "2024-12-14 19:50:29 -0600",
-"tests/library_checker_aizu_tests/handmade_tests/functional_graph.test.cpp": "2025-08-04 17:01:28 -0600",
+"tests/library_checker_aizu_tests/handmade_tests/functional_graph.test.cpp": "2025-08-06 15:28:49 -0600",
 "tests/library_checker_aizu_tests/handmade_tests/manacher.test.cpp": "2024-12-14 19:50:29 -0600",
 "tests/library_checker_aizu_tests/handmade_tests/merge_st_and_wavelet.test.cpp": "2025-08-04 17:01:28 -0600",
 "tests/library_checker_aizu_tests/handmade_tests/mobius.test.cpp": "2025-02-10 14:50:36 -0700",
diff --git a/library/graphs/bridges_cuts/bcc_callback.hpp b/library/graphs/bcc_callback.hpp
similarity index 100%
rename from library/graphs/bridges_cuts/bcc_callback.hpp
rename to library/graphs/bcc_callback.hpp
diff --git a/library/graphs/strongly_connected_components/scc.hpp b/library/graphs/scc.hpp
similarity index 100%
rename from library/graphs/strongly_connected_components/scc.hpp
rename to library/graphs/scc.hpp
diff --git a/library/graphs/strongly_connected_components/add_edges_strongly_connected.hpp b/library/graphs/strongly_connected_components/add_edges_strongly_connected.hpp
index 72e4e23c..c4d56556 100644
--- a/library/graphs/strongly_connected_components/add_edges_strongly_connected.hpp
+++ b/library/graphs/strongly_connected_components/add_edges_strongly_connected.hpp
@@ -1,5 +1,5 @@
 #pragma once
-#include "scc.hpp"
+#include "../scc.hpp"
 //! https://codeforces.com/blog/entry/15102
 //! Add minimum extra directed edges to directed graph to
 //! make it strongly connected. If the directed graph is
diff --git a/library/graphs/strongly_connected_components/offline_incremental_scc.hpp b/library/graphs/strongly_connected_components/offline_incremental_scc.hpp
index 4507acd2..2c5d623c 100644
--- a/library/graphs/strongly_connected_components/offline_incremental_scc.hpp
+++ b/library/graphs/strongly_connected_components/offline_incremental_scc.hpp
@@ -1,5 +1,5 @@
 #pragma once
-#include "scc.hpp"
+#include "../scc.hpp"
 //! https://codeforces.com/blog/entry/91608
 //! @code
 //!   auto joins = offline_incremental_scc(eds, n);
diff --git a/library/graphs/bridges_cuts/block_vertex_tree.hpp b/library/graphs/uncommon/block_vertex_tree.hpp
similarity index 100%
rename from library/graphs/bridges_cuts/block_vertex_tree.hpp
rename to library/graphs/uncommon/block_vertex_tree.hpp
diff --git a/library/graphs/bridges_cuts/bridge_tree.hpp b/library/graphs/uncommon/bridge_tree.hpp
similarity index 100%
rename from library/graphs/bridges_cuts/bridge_tree.hpp
rename to library/graphs/uncommon/bridge_tree.hpp
diff --git a/library/graphs/bridges_cuts/bridges.hpp b/library/graphs/uncommon/bridges.hpp
similarity index 100%
rename from library/graphs/bridges_cuts/bridges.hpp
rename to library/graphs/uncommon/bridges.hpp
diff --git a/library/graphs/complement_graph_ccs.hpp b/library/graphs/uncommon/complement_graph_ccs.hpp
similarity index 100%
rename from library/graphs/complement_graph_ccs.hpp
rename to library/graphs/uncommon/complement_graph_ccs.hpp
diff --git a/library/graphs/bridges_cuts/cuts.hpp b/library/graphs/uncommon/cuts.hpp
similarity index 100%
rename from library/graphs/bridges_cuts/cuts.hpp
rename to library/graphs/uncommon/cuts.hpp
diff --git a/library/graphs/enumerate_triangles.hpp b/library/graphs/uncommon/enumerate_triangles.hpp
similarity index 100%
rename from library/graphs/enumerate_triangles.hpp
rename to library/graphs/uncommon/enumerate_triangles.hpp
diff --git a/library/graphs/functional_graph_processor.hpp b/library/graphs/uncommon/functional_graph_processor.hpp
similarity index 70%
rename from library/graphs/functional_graph_processor.hpp
rename to library/graphs/uncommon/functional_graph_processor.hpp
index 313ad5db..db659e0d 100644
--- a/library/graphs/functional_graph_processor.hpp
+++ b/library/graphs/uncommon/functional_graph_processor.hpp
@@ -15,28 +15,20 @@ struct func_graph {
   vector<pii> root_of;
   vector<vi> cycle, childs;
   func_graph(const vi& a): root_of(sz(a)), childs(sz(a)) {
-    vi state(sz(a));
-    rep(i, 0, sz(a)) if (!state[i]) {
+    vi vis(sz(a));
+    rep(i, 0, sz(a)) if (!vis[i]) {
       int u = i;
-      while (!state[u]) {
-        state[u] = 1;
-        u = a[u];
-      }
-      if (state[u] == 1) {
-        cycle.emplace_back();
-        while (state[u] == 1) {
+      for (; !vis[u]; u = a[u]) vis[u] = 1;
+      if (vis[u] == 1)
+        for (cycle.emplace_back(); vis[u] == 1; u = a[u]) {
           root_of[u] = {sz(cycle) - 1, sz(cycle.back())};
           cycle.back().push_back(u);
-          state[u] = 2;
-          u = a[u];
+          vis[u] = 2;
         }
-      }
-      int v = i;
-      while (state[v] == 1) {
+      for (int v = i; vis[v] == 1; v = a[v]) {
         root_of[v] = root_of[u];
         childs[a[v]].push_back(v);
-        state[v] = 2;
-        v = a[v];
+        vis[v] = 2;
       }
     }
   }
diff --git a/tests/library_checker_aizu_tests/graphs/bcc_callback_aizu_bcc.test.cpp b/tests/library_checker_aizu_tests/graphs/bcc_callback_aizu_bcc.test.cpp
index 70145914..06c22f00 100644
--- a/tests/library_checker_aizu_tests/graphs/bcc_callback_aizu_bcc.test.cpp
+++ b/tests/library_checker_aizu_tests/graphs/bcc_callback_aizu_bcc.test.cpp
@@ -1,7 +1,7 @@
 #define PROBLEM \
   "https://onlinejudge.u-aizu.ac.jp/problems/GRL_3_A"
 #include "../template.hpp"
-#include "../../../library/graphs/bridges_cuts/bcc_callback.hpp"
+#include "../../../library/graphs/bcc_callback.hpp"
 int main() {
   cin.tie(0)->sync_with_stdio(0);
   int n, m;
diff --git a/tests/library_checker_aizu_tests/graphs/bcc_callback_aizu_two_edge_cc.test.cpp b/tests/library_checker_aizu_tests/graphs/bcc_callback_aizu_two_edge_cc.test.cpp
index bd22f849..290a3f35 100644
--- a/tests/library_checker_aizu_tests/graphs/bcc_callback_aizu_two_edge_cc.test.cpp
+++ b/tests/library_checker_aizu_tests/graphs/bcc_callback_aizu_two_edge_cc.test.cpp
@@ -1,7 +1,7 @@
 #define PROBLEM \
   "https://onlinejudge.u-aizu.ac.jp/problems/GRL_3_B"
 #include "../template.hpp"
-#include "../../../library/graphs/bridges_cuts/bcc_callback.hpp"
+#include "../../../library/graphs/bcc_callback.hpp"
 int main() {
   cin.tie(0)->sync_with_stdio(0);
   int n, m;
diff --git a/tests/library_checker_aizu_tests/graphs/bcc_callback_lib_checker_bcc.test.cpp b/tests/library_checker_aizu_tests/graphs/bcc_callback_lib_checker_bcc.test.cpp
index 9dd2bfd0..bfeb9dd6 100644
--- a/tests/library_checker_aizu_tests/graphs/bcc_callback_lib_checker_bcc.test.cpp
+++ b/tests/library_checker_aizu_tests/graphs/bcc_callback_lib_checker_bcc.test.cpp
@@ -1,7 +1,7 @@
 #define PROBLEM \
   "https://judge.yosupo.jp/problem/biconnected_components"
 #include "../template.hpp"
-#include "../../../library/graphs/bridges_cuts/bcc_callback.hpp"
+#include "../../../library/graphs/bcc_callback.hpp"
 int main() {
   cin.tie(0)->sync_with_stdio(0);
   int n, m;
diff --git a/tests/library_checker_aizu_tests/graphs/bcc_callback_lib_checker_two_cc.test.cpp b/tests/library_checker_aizu_tests/graphs/bcc_callback_lib_checker_two_cc.test.cpp
index 1655d989..7038e7b2 100644
--- a/tests/library_checker_aizu_tests/graphs/bcc_callback_lib_checker_two_cc.test.cpp
+++ b/tests/library_checker_aizu_tests/graphs/bcc_callback_lib_checker_two_cc.test.cpp
@@ -1,7 +1,7 @@
 #define PROBLEM \
   "https://judge.yosupo.jp/problem/two_edge_connected_components"
 #include "../template.hpp"
-#include "../../../library/graphs/bridges_cuts/bcc_callback.hpp"
+#include "../../../library/graphs/bcc_callback.hpp"
 #include "../../../kactl/content/data-structures/UnionFind.h"
 int main() {
   cin.tie(0)->sync_with_stdio(0);
diff --git a/tests/library_checker_aizu_tests/graphs/biconnected_components.test.cpp b/tests/library_checker_aizu_tests/graphs/biconnected_components.test.cpp
index 2be352ae..bcc8d75c 100644
--- a/tests/library_checker_aizu_tests/graphs/biconnected_components.test.cpp
+++ b/tests/library_checker_aizu_tests/graphs/biconnected_components.test.cpp
@@ -1,7 +1,7 @@
 #define PROBLEM \
   "https://judge.yosupo.jp/problem/biconnected_components"
 #include "../template.hpp"
-#include "../../../library/graphs/bridges_cuts/block_vertex_tree.hpp"
+#include "../../../library/graphs/uncommon/block_vertex_tree.hpp"
 int main() {
   cin.tie(0)->sync_with_stdio(0);
   int n, m;
diff --git a/tests/library_checker_aizu_tests/graphs/connected_components_of_complement_graph.test.cpp b/tests/library_checker_aizu_tests/graphs/connected_components_of_complement_graph.test.cpp
index bcf93b9f..8a8f359b 100644
--- a/tests/library_checker_aizu_tests/graphs/connected_components_of_complement_graph.test.cpp
+++ b/tests/library_checker_aizu_tests/graphs/connected_components_of_complement_graph.test.cpp
@@ -1,7 +1,7 @@
 #define PROBLEM \
   "https://judge.yosupo.jp/problem/connected_components_of_complement_graph"
 #include "../template.hpp"
-#include "../../../library/graphs/complement_graph_ccs.hpp"
+#include "../../../library/graphs/uncommon/complement_graph_ccs.hpp"
 int main() {
   cin.tie(0)->sync_with_stdio(0);
   int n, m;
diff --git a/tests/library_checker_aizu_tests/graphs/enumerate_triangles.test.cpp b/tests/library_checker_aizu_tests/graphs/enumerate_triangles.test.cpp
index a5cb8e59..3c0c4ae8 100644
--- a/tests/library_checker_aizu_tests/graphs/enumerate_triangles.test.cpp
+++ b/tests/library_checker_aizu_tests/graphs/enumerate_triangles.test.cpp
@@ -1,7 +1,7 @@
 #define PROBLEM \
   "https://judge.yosupo.jp/problem/enumerate_triangles"
 #include "../template.hpp"
-#include "../../../library/graphs/enumerate_triangles.hpp"
+#include "../../../library/graphs/uncommon/enumerate_triangles.hpp"
 int main() {
   cin.tie(0)->sync_with_stdio(0);
   int n, m;
diff --git a/tests/library_checker_aizu_tests/graphs/two_edge_components.test.cpp b/tests/library_checker_aizu_tests/graphs/two_edge_components.test.cpp
index 5c7602cb..f12fbcad 100644
--- a/tests/library_checker_aizu_tests/graphs/two_edge_components.test.cpp
+++ b/tests/library_checker_aizu_tests/graphs/two_edge_components.test.cpp
@@ -1,7 +1,7 @@
 #define PROBLEM \
   "https://judge.yosupo.jp/problem/two_edge_connected_components"
 #include "../template.hpp"
-#include "../../../library/graphs/bridges_cuts/bridge_tree.hpp"
+#include "../../../library/graphs/uncommon/bridge_tree.hpp"
 #include "../../../library/data_structures/dsu/dsu_restorable.hpp"
 int main() {
   cin.tie(0)->sync_with_stdio(0);
diff --git a/tests/library_checker_aizu_tests/handmade_tests/functional_graph.test.cpp b/tests/library_checker_aizu_tests/handmade_tests/functional_graph.test.cpp
index 6901b9e8..db0a2da3 100644
--- a/tests/library_checker_aizu_tests/handmade_tests/functional_graph.test.cpp
+++ b/tests/library_checker_aizu_tests/handmade_tests/functional_graph.test.cpp
@@ -2,7 +2,7 @@
   "https://onlinejudge.u-aizu.ac.jp/problems/ITP1_1_A"
 #include "../template.hpp"
 #include "../../../library/contest/random.hpp"
-#include "../../../library/graphs/functional_graph_processor.hpp"
+#include "../../../library/graphs/uncommon/functional_graph_processor.hpp"
 // https://github.com/Aeren1564/Algorithms/blob/master/Algorithm_Implementations_Cpp/Graph_Theory/Special_Graphs/functional_graph_processor.sublime-snippet
 struct functional_graph_processor {
   functional_graph_processor(const vector<int> &next) {
diff --git a/tests/scripts/build_pdf.sh b/tests/scripts/build_pdf.sh
index 24b00187..c9128e33 100755
--- a/tests/scripts/build_pdf.sh
+++ b/tests/scripts/build_pdf.sh
@@ -19,7 +19,11 @@ rm ../library/data_structures/seg_tree_uncommon/kth_smallest_query.hpp || exit 1
 rm ../library/data_structures/uncommon/mode_query.hpp || exit 1
 rm ../library/data_structures/uncommon/priority_queue_of_updates.hpp || exit 1
 rm ../library/graphs/strongly_connected_components/add_edges_strongly_connected.hpp || exit 1
-rm ../library/graphs/functional_graph_processor.hpp || exit 1
+rm ../library/graphs/strongly_connected_components/offline_incremental_scc.hpp || exit 1
+rm ../library/graphs/uncommon/bridges.hpp || exit 1
+rm ../library/graphs/uncommon/cuts.hpp || exit 1
+rm ../library/graphs/uncommon/block_vertex_tree.hpp || exit 1
+rm ../library/graphs/uncommon/bridge_tree.hpp || exit 1
 rm ../library/math/derangements.hpp || exit 1
 rm ../library/math/num_distinct_subsequences.hpp || exit 1
 rm ../library/math/partitions.hpp || exit 1