Eroare de compilare: user.cpp:9:58: error: ‘int time’ redeclared as different kind of symbol int n, t[102], T[102], grad[102], grad2[102], sol2[102], time; ^ In file included from /usr/include/pthread.h:24:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/gthr-default.h:35, from /usr/include/x86_64-linux-gnu/c++/5/bits/gthr.h:148, from /usr/include/c++/5/ext/atomicity.h:35, from /usr/include/c++/5/bits/ios_base.h:39, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/fstream:38, from user.cpp:1: /usr/include/time.h:192:15: note: previous declaration ‘time_t time(time_t*)’ extern time_t time (time_t *__timer) __THROW; ^ user.cpp: In function ‘int main()’: user.cpp:51:46: error: no matching function for call to ‘max(time_t (&)(time_t*) throw (), int&)’ time = max(time, t[i] += T[i]); ^ In file included from /usr/include/c++/5/bits/char_traits.h:39:0, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/fstream:38, from user.cpp:1: /usr/include/c++/5/bits/stl_algobase.h:219:5: note: candidate: template<class _Tp> const _Tp& std::max(const _Tp&, const _Tp&) max(const _Tp& __a, const _Tp& __b) ^ /usr/include/c++/5/bits/stl_algobase.h:219:5: note: template argument deduction/substitution failed: user.cpp:51:46: note: deduced conflicting types for parameter ‘const _Tp’ (‘long int(long int*) throw ()’ and ‘int’) time = max(time, t[i] += T[i]); ^ In file included from /usr/include/c++/5/bits/char_traits.h:39:0, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/fstream:38, from user.cpp:1: /usr/include/c++/5/bits/stl_algobase.h:265:5: note: candidate: template<class _Tp, class _Compare> const _Tp& std::max(const _Tp&, const _Tp&, _Compare) max(const _Tp& __a, const _Tp& __b, _Compare __comp) ^ /usr/include/c++/5/bits/stl_algobase.h:265:5: note: template argument deduction/substitution failed: user.cpp:51:46: note: deduced conflicting types for parameter ‘const _Tp’ (‘long int(long int*) throw ()’ and ‘int’) time = max(time, t[i] += T[i]); ^ user.cpp:52:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < adj[i].size(); j++) ^ user.cpp:64:41: warning: pointer to a function used in arithmetic [-Wpointer-arith] sol2[i] = T[i] + (time - t[i]); ^ user.cpp:64:42: warning: pointer to a function used in arithmetic [-Wpointer-arith]