/in/foo.cc: In function 'void work()':
/in/foo.cc:34:20: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
   printf("%d ",a[i]);
                    ^
/in/foo.cc:39:20: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
   printf("%d ",b[i]);
                    ^