Problem 45246. Count digits

Created by Asif Newaz

Solve Later

Count total number of digits from 1 to n.

n=13
output=17

since from [1-9] total 9 digits.[10-13] total 4*2=8 digits.

Solve

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127 Solutions
30 Solvers

Last Solution submitted on Aug 23, 2025

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Problem Comments

2 Comments

2 Comments

Bhaskar R on 27 Dec 2019

In the 5th test case there is number n=10000675820025; which is very large number MATLAB is not accepting to get number from 1 to 10000675820025;

Asif Newaz on 27 Dec 2019

@Bhaskar
that means u need to find some alternate way to solve

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