/in/foo.cc: In function 'int main()':
/in/foo.cc:43:48: warning: format '%u' expects argument of type 'unsigned int*', but argument 2 has type 'ULL* {aka long long unsigned int*}' [-Wformat=]
    scanf("%ulld%ulld%ulld", &x[i], &y[i], &z[i]);
                                                ^
/in/foo.cc:43:48: warning: format '%u' expects argument of type 'unsigned int*', but argument 3 has type 'ULL* {aka long long unsigned int*}' [-Wformat=]
/in/foo.cc:43:48: warning: format '%u' expects argument of type 'unsigned int*', but argument 4 has type 'ULL* {aka long long unsigned int*}' [-Wformat=]
/in/foo.cc:46:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if (z[i] + r >= h) Union(n + 1, i);
        ~~~~~~~~~^~~~
/in/foo.cc:49:3: error: 'LL' was not declared in this scope
   LL R = 4 * r * r;
   ^~
/in/foo.cc:57:16: error: 'R' was not declared in this scope
     if (dis <= R) Union(i, j);
                ^