/in/foo.cc: In function 'int main()':
/in/foo.cc:32:29: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'll* {aka long long int*}' [-Wformat=]
     scanf("%I64d%I64d",&a,&b);
                             ^
/in/foo.cc:32:29: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'll* {aka long long int*}' [-Wformat=]
/in/foo.cc:36:59: warning: format '%d' expects argument of type 'int', but argument 2 has type 'll {aka long long int}' [-Wformat=]
             for(ll i=1;i<=depth;i++)printf("%I64d ",ans[i]);
                                                           ^