/in/foo.cc: In function 'int main()':
/in/foo.cc:34:29: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
   scanf("%d%d", &x[i], &y[i]);
                             ^
/in/foo.cc:34:29: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=]