Main.cc: In function 'int main()': Main.cc:7:19: error: expected primary-expression before '=' token for(int i=0;a[i]?='\0';i++) ^ Main.cc:7:24: error: expected ':' before ';' token for(int i=0;a[i]?='\0';i++) ^ Main.cc:7:24: error: expected primary-expression before ';' token