Eroare de compilare: user.cpp:14:9: error: ‘int fmin’ redeclared as different kind of symbol int n,m,fmin,j,i,x,y,C[N][N],F[N][N],viz[N],T[N],des,flux,nod; ^ In file included from /usr/include/features.h:346:0, from /usr/local/include/c++/4.8.0/i686-pc-linux-gnu/bits/os_defines.h:39, from /usr/local/include/c++/4.8.0/i686-pc-linux-gnu/bits/c++config.h:420, from /usr/local/include/c++/4.8.0/iosfwd:38, from /usr/local/include/c++/4.8.0/ios:38, from /usr/local/include/c++/4.8.0/istream:38, from /usr/local/include/c++/4.8.0/fstream:38, from user.cpp:1: /usr/include/bits/mathcalls.h:342:1: error: previous declaration of ‘double fmin(double, double)’ __MATHCALL (fmin,, (_Mdouble_ __x, _Mdouble_ __y)); ^ user.cpp: In function ‘int bfs()’: user.cpp:25:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[nod].size();++i) ^ user.cpp: In function ‘int main()’: user.cpp:47:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[n].size();++i) ^ user.cpp:53:7: error: overloaded function with no contextual type information fmin=inf; ^ user.cpp:55:39: error: no matching function for call to ‘min(<unresolved overloaded function type>, int)’ fmin=min(fmin,C[T[j]][j]-F[T[j]][j]); ^ user.cpp:55:39: note: candidates are: In file included from /usr/local/include/c++/4.8.0/bits/char_traits.h:39:0, from /usr/local/include/c++/4.8.0/ios:40, from /usr/local/include/c++/4.8.0/istream:38, from /usr/local/include/c++/4.8.0/fstream:38, from user.cpp:1: /usr/local/include/c++/4.8.0/bits/stl_algobase.h:193:5: note: const _Tp& std::min(const _Tp&, const _Tp&) [with _Tp = int] min(const _Tp& __a, const _Tp& __b) ^ /usr/local/include/c++/4.8.0/bits/stl_algobase.h:193:5: note: no known conversion for argument 1 from ‘<unresolved overloaded function type>’ to ‘const int&’ /usr/local/include/c++/4.8.0/bits/stl_algobase.h:239:5: note: template<class _Tp, class _Compare> const _Tp& std::min(const _Tp&, const _Tp&, _Compare) min(const _Tp& __a, const _Tp& __b, _Compare __comp) ^ /usr/local/include/c++/4.8.0/bits/stl_algobase.h:239:5: note: template argument deduction/substitution failed: user.cpp:55:39: note: candidate expects 3 arguments, 2 provided fmin=min(fmin,C[T[j]][j]-F[T[j]][j]); ^ In file included from /usr/local/include/c++/4.8.0/algorithm:62:0, from user.cpp:5: /usr/local/include/c++/4.8.0/bits/stl_algo.h:4244:5: note: template<class _Tp> _Tp std::min(std::initializer_list<_Tp>) min(initializer_list<_Tp> __l) ^