/in/foo.cc: In function 'int main()':
/in/foo.cc:32:38: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
  for(i=1;i<=N;i++) printf("%d\n",v[i]);
                                      ^
/in/foo.cc:24:8: warning: unused variable 'j' [-Wunused-variable]
  int i,j,k;
        ^
/in/foo.cc:24:10: warning: unused variable 'k' [-Wunused-variable]
  int i,j,k;
          ^