Main.cc: In function 'int main()':
Main.cc:9:6: error: expected ';' before 'b'
a[4]b;
^
Main.cc:9:5: warning: statement has no effect [-Wunused-value]
a[4]b;
^
Main.cc:5:6: warning: unused variable 'b' [-Wunused-variable]
int b=5;
^