/in/foo.cc: In function 'int main()':
/in/foo.cc:11:13: error: 'x' was not declared in this scope
       int a=x/100;
             ^
/in/foo.cc:22:11: error: 'x' was not declared in this scope
    int a1=x/1000;
           ^
/in/foo.cc:34:11: error: 'x' was not declared in this scope
    int a2=x/10000;
           ^
/in/foo.cc:47:11: error: 'x' was not declared in this scope
    int a3=x/100000;
           ^
/in/foo.cc:61:11: error: 'x' was not declared in this scope
    int a4=x/1000000;
           ^