Borderou de evaluare (job #255306)

Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:26:5: error: ‘cin’ was not declared in this scope user.cpp:31:11: error: ‘cout’ was not declared in this scope user.cpp:32:11: error: ‘else’ without a previous ‘if’ user.cpp:38:15: error: expected primary-expression before ‘}’ token user.cpp:38:15: error: expected ‘;’ before ‘}’ token user.cpp:40:15: error: ‘else’ without a previous ‘if’ user.cpp:47:19: error: expected primary-expression before ‘}’ token user.cpp:47:19: error: expected ‘;’ before ‘}’ token user.cpp:49:19: error: ‘else’ without a previous ‘if’