final fixes

Author: lrvideckis

library/graphs/hopcroft_karp.hpp

@@ -6,7 +6,7 @@
 //!   auto [matching_size, to_r, to_l,
 //!     mvc_l, mvc_r] = hopcroft_karp(adj, rsz);
 //!   vector<basic_string<int>> adj1(lsz);
-//!   hopcroft_karp match(adj1);
+//!   hopcroft_karp match(adj1, rsz);
 //! @endcode
 //! 0<=l<lsz; 0<=r<rsz
 //! l <-> to_r[l] in matching if to_r[l]!=-1

library/graphs/strongly_connected_components/scc.hpp

@@ -10,10 +10,10 @@
 //! for each edge u -> v: scc_id[u] >= scc_id[v]
 //! @time O(n + m)
 //! @space O(n)
-struct sccs {
+template<class G> struct sccs {
   int num_sccs = 0;
   vi scc_id;
-  sccs(const vector<vi>& adj): scc_id(sz(adj), -1) {
+  sccs(const G& adj): scc_id(sz(adj), -1) {
     int n = sz(adj), timer = 1;
     vi tin(n), st;
     auto dfs = [&](auto&& self, int v) -> int {