/in/foo.cc: In function 'int main()':
/in/foo.cc:6:24: warning: format '%d' expects argument of type 'int', but argument 2 has type 'int*' [-Wformat=]
     printf("%d%d",&a,&b);
                        ^
/in/foo.cc:6:24: warning: format '%d' expects argument of type 'int', but argument 3 has type 'int*' [-Wformat=]