Eroare de compilare: user.cpp: In function ‘int main(int, const char**)’: user.cpp:68:19: error: reference to ‘function’ is ambiguous cnt [i].first = function (points[k], points[(k + 1)%n], i) ; ^ user.cpp:21:8: note: candidates are: double function(std::pair<double, double>, std::pair<double, double>, int) double function (pair <double, double> a, pair <double, double> b, int x) ^ In file included from /usr/include/c++/4.8/bits/stl_algo.h:66:0, from /usr/include/c++/4.8/algorithm:62, from user.cpp:9: /usr/include/c++/4.8/functional:1866:11: note: template<class _Signature> class std::function class function; ^ user.cpp:69:20: error: reference to ‘function’ is ambiguous cnt [i].second = function (points[j], points[(j - 1 + n)%n], i) ; ^ user.cpp:21:8: note: candidates are: double function(std::pair<double, double>, std::pair<double, double>, int) double function (pair <double, double> a, pair <double, double> b, int x) ^ In file included from /usr/include/c++/4.8/bits/stl_algo.h:66:0, from /usr/include/c++/4.8/algorithm:62, from user.cpp:9: /usr/include/c++/4.8/functional:1866:11: note: template<class _Signature> class std::function class function; ^