Eroare de compilare: user.cpp:28:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:4: error: expected initializer before '.' token user.cpp:5: error: 'r' was not declared in this scope user.cpp:6: error: 'w' was not declared in this scope user.cpp:8: error: invalid operands of types 'int __complex__' and 'int' to binary 'operator<' user.cpp:8: error: expected `;' before ')' token user.cpp:13: error: 'x' was not declared in this scope user.cpp:16: error: 'k' was not declared in this scope user.cpp:26: error: 'return0' was not declared in this scope