Compilare: user.cpp: In function ‘void infasuratoare()’: user.cpp:42:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 2; i < v.size(); ++i){ ^ user.cpp: In function ‘int main()’: user.cpp:67:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < v.size(); ++i) ^ user.cpp:87:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < stck.size(); ++i) ^ user.cpp:15:11: warning: unused variable ‘first’ [-Wunused-variable] #define x first ^ user.cpp:55:12: note: in expansion of macro ‘x’ double x, y; ^ user.cpp:16:11: warning: unused variable ‘second’ [-Wunused-variable] #define y second ^ user.cpp:55:15: note: in expansion of macro ‘y’ double x, y; ^