/in/foo.cc: In function 'int main()':
/in/foo.cc:12:37: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
  scanf("%I64d%I64d%I64d", &a, &b, &c);
                                     ^
/in/foo.cc:12:37: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=]
/in/foo.cc:12:37: warning: format '%d' expects argument of type 'int*', but argument 4 has type 'long long int*' [-Wformat=]