// 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 ...
Java’s String class encapsulates an array of bytes. A byte can be converted to a char, in which case, String becomes an array of characters used to compose words, sentences, or any other data you want ...
* A string is called happy if it does not have any of the strings 'aaa', 'bbb' * or 'ccc' as a substring. * Given three integers a, b and c, return any string s, which satisfies * following conditions ...
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