/in/foo.cc: In function 'int main()':
/in/foo.cc:7:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for (int i=1;i<=35;++i)
  ^~~
/in/foo.cc:9:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
   int n;
   ^~~
/in/foo.cc:8:11: warning: iteration 34 invokes undefined behavior [-Waggressive-loop-optimizations]
   three[i]=three[i-1]*3;
   ~~~~~~~~^~~~~~~~~~~~~
/in/foo.cc:7:16: note: within this loop
  for (int i=1;i<=35;++i)
               ~^~~~