// Time Complexity: O(n²) (due to substring creation and window reset) } else if (right == s.length() - 1 && !(map.containsKey(s.substring(left, right + 1)))) { map ...
#include "base/strings/sys_string_conversions.h" #include "base/strings/utf_string_conversions.h" #include "base/threading/scoped_blocking_call.h" ...