Handle Score
@Ibrahim Nash 6420
@blackshadows 6380
@mb1973 5704
@Quandray 5245
@akhayrutdinov 5111
@saiujwal13083 5046
@sanjay05 3762
@kirtidee18 3673
@marius_valentin_dragoi 3523
@mantu_singh 3514
@sushant_a 3459
Complete Leaderboard
Extract Maximum
Basic Accuracy: 40.18% Submissions: 2761 Points: 1

Given a alphanumeric string S, extract maximum numeric value from S.

Example 1:

S = 100klh564abc365bg
Output: 564
Explanation: Maximum numeric value 
among 100, 564 and 365 is 564.

Example 2:

S = abcdefg
Output: -1
Explanation: Return -1 if no numeric 
value is present. 

Your Task:  
You dont need to read input or print anything. Complete the function extractMaximum() which takes the string S as input parameters and returns the maximum numeric value. If it is not present in S, return -1.


Expected Time Complexity: O(|S|)
Expected Auxiliary Space: O(1)


1 ≤ |S| ≤ 104
-1 ≤ output value ≤ 106

to report an issue on this page.


We strongly recommend solving this problem on your own before viewing its editorial. Do you still want to view the editorial?


All Submissions

My Submissions:

Login to access your submissions.

Extract Maximum

Output Window