ecuatii.cpp: In function 'std::pair<int, int> Solve_Member(std::string)': ecuatii.cpp:17: warning: comparison between signed and unsigned integer expressions ecuatii.cpp:39: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x ecuatii.cpp: In function 'void Test()': ecuatii.cpp:44: warning: unused variable 'i'