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// verification-helper: PROBLEM http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0314 #include <bits/stdc++.h> using namespace std; #define call_from_test #include "../../mod/mint.cpp" #include "../../linearalgebra/matrix.cpp" #include "../../datastructure/unionfind.cpp" #include "../../linearalgebra/tree_theorem.cpp" #undef call_from_test signed main(){ cin.tie(0); ios::sync_with_stdio(0); int n,m; cin>>n>>m; using M = Mint<int>; using edge=MatrixTreeTheorem<M, int>::edge; vector<edge> es; for(int i=0;i<m;i++){ int s,t,d; cin>>s>>t>>d; s--;t--; es.emplace_back(s,t,d); } sort(es.begin(),es.end()); UnionFind uf(n); int cost=0; for(auto e:es){ uf.unite(e.a,e.b); cost=e.c; if(uf.count()==1) break; } cout<<cost<<" "; uf=UnionFind(n); for(auto e:es){ if(e.c==cost) break; uf.unite(e.a,e.b); } vector<int> rs; for(int i=0;i<n;i++) if(uf.find(i)==i) rs.emplace_back(i); M ans{0}; int k=rs.size(); int sz=1<<k; for(int b=1;b+1<sz;b++){ UnionFind tmp(uf); for(int i=0;i<k;i++) for(int j=0;j<k;j++) if(((b>>i)&1)==((b>>j)&1)) tmp.unite(rs[i],rs[j]); MatrixTreeTheorem<M, int> G(n); for(auto e:es) if(tmp.same(e.a,e.b)) G.add_edge(e.a,e.b,0); auto[k,res,_]=G.build(); if(k==2) ans+=res; } cout<<ans<<endl; return 0; }
Traceback (most recent call last): File "/opt/hostedtoolcache/Python/3.11.3/x64/lib/python3.11/site-packages/onlinejudge_verify/documentation/build.py", line 71, in _render_source_code_stat bundled_code = language.bundle(stat.path, basedir=basedir, options={'include_paths': [basedir]}).decode() ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/hostedtoolcache/Python/3.11.3/x64/lib/python3.11/site-packages/onlinejudge_verify/languages/cplusplus.py", line 187, in bundle bundler.update(path) File "/opt/hostedtoolcache/Python/3.11.3/x64/lib/python3.11/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 401, in update self.update(self._resolve(pathlib.Path(included), included_from=path)) File "/opt/hostedtoolcache/Python/3.11.3/x64/lib/python3.11/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 400, in update raise BundleErrorAt(path, i + 1, "unable to process #include in #if / #ifdef / #ifndef other than include guards") onlinejudge_verify.languages.cplusplus_bundle.BundleErrorAt: linearalgebra/matrix.cpp: line 128: unable to process #include in #if / #ifdef / #ifndef other than include guards