4 ms·

You need not to be a genius to immediately notice that doing i-- inside a for loop is.. OK just not very smart. ^_^

• quotemstr 15y ago
  Changing a loop counter in a loop is always a bad idea? You must implement only very simple algorithms.
  • schiptsov 15y ago
    There are more than one loop expression. Idiomatic usage of a for loop doesn't include changing counter variable in a loop's body. ^_^