Count the Number of Digits in an Integer
Explore methods to count digits in an integer by using division and logarithms, helping you understand decimal place values and improve problem-solving skills for coding interviews.
How to count the number of digits in an integer
Given a decimal number, continue dividing the number by ten until it reaches 0 and records the remainder at each step.
The resulting list of remainders is the equivalent place values of the Integer.
Example:
Input: 125
Output: 3
The illustration below explains the process of counting the digits in an integer.
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