/in/foo.cc: In function 'void dj()':
/in/foo.cc:19:10: warning: iteration 2000009 invokes undefined behavior [-Waggressive-loop-optimizations]
      d[i]=2147483647;
      ~~~~^~~~~~~~~~~
/in/foo.cc:17:18: note: within this loop
     for(int i=1;i<=N;i++)
                 ~^~~