Borderou de evaluare (job #53288)

Eroare de compilare: user.cpp:4:11: error: ‘::main’ must return ‘int’ user.cpp: In function ‘int main()’: user.cpp:7:2: error: ‘cin’ was not declared in this scope user.cpp:7:2: note: suggested alternative: /usr/include/c++/4.6/iostream:61:18: note: ‘std::cin’ user.cpp:17:1: error: ‘cout’ was not declared in this scope user.cpp:17:1: note: suggested alternative: /usr/include/c++/4.6/iostream:62:18: note: ‘std::cout’ user.cpp:43:3: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] user.cpp:51:7: error: ‘endl’ was not declared in this scope user.cpp:51:7: note: suggested alternative: /usr/include/c++/4.6/ostream:543:5: note: ‘std::endl’