/in/foo.cc: In function 'int main()':
/in/foo.cc:15:60: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'LL* {aka long long int*}' [-Wformat=]
         for (int i = 1; i <= n; i++) scanf("%d", &pigs[i].a);
                                                            ^
/in/foo.cc:16:60: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'LL* {aka long long int*}' [-Wformat=]
         for (int i = 1; i <= n; i++) scanf("%d", &pigs[i].p);
                                                            ^