/in/foo.cc: In function 'int main()':
/in/foo.cc:64:37: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'll* {aka long long int*}' [-Wformat=]
     while (~scanf("%I64d%I64d",&l,&r)){
                                     ^
/in/foo.cc:64:37: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'll* {aka long long int*}' [-Wformat=]
/in/foo.cc:65:37: warning: format '%d' expects argument of type 'int', but argument 2 has type 'll {aka long long int}' [-Wformat=]
         printf("%I64d\n",f(r)-f(l-1));
                                     ^