Eroare de compilare: user.cpp:13:9: error: invalid suffix "d" on integer constant user.cpp:13:18: error: invalid suffix "d" on integer constant user.cpp: In function ‘void read()’: user.cpp:16: error: ‘v’ was not declared in this scope user.cpp: In function ‘int cmp(const Point&, const Point&)’: user.cpp:23: error: ‘v’ was not declared in this scope user.cpp: In function ‘void sortare()’: user.cpp:29: error: ‘v’ was not declared in this scope user.cpp:31: error: ‘v’ was not declared in this scope user.cpp: In function ‘void convex_hull()’: user.cpp:37: error: ‘st’ was not declared in this scope user.cpp:37: error: ‘v’ was not declared in this scope /usr/include/c++/4.4/bits/ios_base.h: In function ‘void write()’: /usr/include/c++/4.4/bits/ios_base.h:962: error: too few arguments to function ‘std::ios_base& std::fixed(std::ios_base&)’ user.cpp:47: error: at this point in file user.cpp:50: error: ‘st’ was not declared in this scope