/in/foo.cc: In function 'int main()':
/in/foo.cc:35:31: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'node*' [-Wformat=]
              scanf("%d",&t1[i]);
                               ^
/in/foo.cc:39:30: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'node*' [-Wformat=]
             scanf("%d",&t2[i]);
                              ^