Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:15:11: warning: suggest parentheses around assignment used as truth value [-Wparentheses] if(a=1) g<<0<<;'\n'; ^ user.cpp:15:19: error: expected primary-expression before ‘;’ token if(a=1) g<<0<<;'\n'; ^ user.cpp:15:24: warning: statement has no effect [-Wunused-value] if(a=1) g<<0<<;'\n'; ^ user.cpp:16:8: error: ‘else’ without a previous ‘if’ else g<<a<<'\n'; ^