an alphabetical continuous string string consist consecutive letter alphabet in word substre string abcdefghijklmnopqrstuvwxyzfor example abc alphabetical continuous string acb za notGiven string s consist lowercase letter return length long alphabetical continuous substre Example 1input s abacabaoutput 2explanation there 4 distinct continuous substring b c abab long continuous substringExample 2input s abcdeoutput 5explanation abcde long continuous substre Constraints1 slength 105s consist english lowercase letter