/in/foo.cc: In function 'int main()':
/in/foo.cc:14:16: warning: iteration 1500 invokes undefined behavior [-Waggressive-loop-optimizations]
    s[j+1]=s[j+1]+s[j]/10;
           ~~~~~^
/in/foo.cc:12:17: note: within this loop
   for(int j=0; j<1501; j++) 
                ~^~~~~