/in/foo.cc: In function 'int main()':
/in/foo.cc:17:65: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
         scanf("%I64d%I64d%I64d%I64d",&x1[i],&y1[i],&x2[i],&y2[i]); 
                                                                 ^
/in/foo.cc:17:65: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=]
/in/foo.cc:17:65: warning: format '%d' expects argument of type 'int*', but argument 4 has type 'long long int*' [-Wformat=]
/in/foo.cc:17:65: warning: format '%d' expects argument of type 'int*', but argument 5 has type 'long long int*' [-Wformat=]
/in/foo.cc:33:23: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
     printf("%I64d",ans); 
                       ^