/in/foo.cc: In function 'int main()':
/in/foo.cc:16:49: warning: format '%lld' expects argument of type 'long long int*', but argument 2 has type 'int*' [-Wformat=]
     scanf("%lld%lld%lld%lld",&s.x,&s.y,&e.x,&e.y);
                                                 ^
/in/foo.cc:16:49: warning: format '%lld' expects argument of type 'long long int*', but argument 3 has type 'int*' [-Wformat=]
/in/foo.cc:16:49: warning: format '%lld' expects argument of type 'long long int*', but argument 4 has type 'int*' [-Wformat=]
/in/foo.cc:16:49: warning: format '%lld' expects argument of type 'long long int*', but argument 5 has type 'int*' [-Wformat=]
/in/foo.cc:20:41: warning: format '%lld' expects argument of type 'long long int*', but argument 2 has type 'int*' [-Wformat=]
         scanf("%lld%lld",&a[i].x,&a[i].y);
                                         ^
/in/foo.cc:20:41: warning: format '%lld' expects argument of type 'long long int*', but argument 3 has type 'int*' [-Wformat=]