Given a string s, find any substring of length 2 which is also present in the reverse of s. Return true if such a substring exists, and false otherwise. Explanation ...
Explanation: Your reversed string should not contain leading or trailing spaces. A word is defined as a sequence of non-space characters. Input string may contain leading or trailing spaces. However, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results