Output: The length of the longest alternating subsequence is 6 The time complexity of the above solution isO(n)and requiresO(1)extra space, wherenis the length of the array. Because of the way this algorithm usesoptimal substructure(the longest alternating sequence ending at each position is ca...
Output: The length of the longest alternating subsequence is 6 The time complexity of the above solution isO(n)and requiresO(1)extra space, wherenis the length of the array. Because of the way this algorithm usesoptimal substructure(the longest alternating sequence ending at each position is ca...