Eroare de compilare: In file included from /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/backward/fstream.h:31, from user.cpp:1: /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/backward/backward_warning.h:32:2: warning: #warning This file includes at least one deprecated or antiquated header. Please consider using one of the 32 headers found in section 17.4.1.2 of the C++ standard. Examples include substituting the <X> header for the <X.h> header for C++ includes, or <iostream> instead of the deprecated header <iostream.h>. To disable this warning use -Wno-deprecated. user.cpp:6: error: ISO C++ forbids declaration of 'ex' with no type user.cpp:9: error: ISO C++ forbids declaration of 'con' with no type user.cpp: In function 'int con(int)': user.cpp:17: warning: passing 'double' for argument 1 to 'int abs(int)' user.cpp: At global scope: user.cpp:21: error: ISO C++ forbids declaration of 'sol' with no type user.cpp: In function 'void tipar(int)': user.cpp:27: error: 'cout' was not declared in this scope user.cpp:28: error: 'cout' was not declared in this scope user.cpp:28: error: 'endl' was not declared in this scope user.cpp: At global scope: user.cpp:53: error: '::main' must return 'int' user.cpp: In function 'int main()': user.cpp:55: error: 'endl' was not declared in this scope