/in/foo.cc: In function 'int main()':
/in/foo.cc:15:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  if(h+30>=a[i])
  ^~
/in/foo.cc:17:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
   cout<<cnt<<endl; 
   ^~~~