Leaderboard
Showing:
Handle Score
@Ibrahim Nash 6424
@blackshadows 6380
@mb1973 5704
@Quandray 5245
@akhayrutdinov 5111
@saiujwal13083 5046
@sanjay05 3762
@kirtidee18 3673
@mantu_singh 3532
@marius_valentin_dragoi 3523
@sushant_a 3459
Complete Leaderboard
Count zero
Basic Accuracy: 26.26% Submissions: 304 Points: 1

Given a number d, representing the number of digits of a number. Find the total count of positive integers which have at-least one zero in them and consist d or less digits.

Example 1:

Input: d = 2
Output: 9 
Explanation: There are total 9 
positive integers which have 
at-least one zero in them 
and consist 2 or less digits.

Example 2:

Input: d = 3
Output: 180
Explanation: There are total 180
positive integers which have
at-least one zero in them
and consist 3 or less digits.


Your Task:  
You dont need to read input or print anything. Complete the function findCountUpto() which takes d as input parameter and returns the total count of positive integers which have at-least one zero in them and consist d or less digits.

Expected Time Complexity: O(logn)
Expected Auxiliary Space: O(1)

Constraints:
1<= d <=15

to report an issue on this page.

Editorial

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

Yes

All Submissions

My Submissions:

Login to access your submissions.

Count zero

Output Window