Eroare de compilare: user.cpp:2:18: error: cmath : No such file or directory user.cpp: In function ‘void dfs(int, int&)’: user.cpp:25: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void dfs1(int)’: user.cpp:43: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void dfs11(int)’: user.cpp:60: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void dfs2(int)’: user.cpp:77: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void sol2(int, int)’: user.cpp:125: error: ‘fabs’ was not declared in this scope user.cpp:140: error: call of overloaded ‘abs(double)’ is ambiguous /usr/include/stdlib.h:766: note: candidates are: int abs(int) /usr/include/c++/4.4/cstdlib:170: note: long long int __gnu_cxx::abs(long long int) /usr/include/c++/4.4/cstdlib:139: note: long int std::abs(long int) user.cpp: In function ‘int main()’: user.cpp:209: error: call of overloaded ‘abs(double)’ is ambiguous /usr/include/stdlib.h:766: note: candidates are: int abs(int) /usr/include/c++/4.4/cstdlib:170: note: long long int __gnu_cxx::abs(long long int) /usr/include/c++/4.4/cstdlib:139: note: long int std::abs(long int) user.cpp:240: error: call of overloaded ‘abs(double)’ is ambiguous /usr/include/stdlib.h:766: note: candidates are: int abs(int) /usr/include/c++/4.4/cstdlib:170: note: long long int __gnu_cxx::abs(long long int) /usr/include/c++/4.4/cstdlib:139: note: long int std::abs(long int) user.cpp:293: error: call of overloaded ‘abs(double)’ is ambiguous /usr/include/stdlib.h:766: note: candidates are: int abs(int) /usr/include/c++/4.4/cstdlib:170: note: long long int __gnu_cxx::abs(long long int) /usr/include/c++/4.4/cstdlib:139: note: long int std::abs(long int) user.cpp:310: error: call of overloaded ‘abs(double)’ is ambiguous /usr/include/stdlib.h:766: note: candidates are: int abs(int) /usr/include/c++/4.4/cstdlib:170: note: long long int __gnu_cxx::abs(long long int) /usr/include/c++/4.4/cstdlib:139: note: long int std::abs(long int)