find number of digits in a number

Solutions on MaxInterview for find number of digits in a number by the best coders in the world

showing results for - "find number of digits in a number"
Leo
01 May 2017
1#include <iostream>
2#include <cmath>
3
4unsigned int getNumberOfDigits (int i)
5{
6    return i > 0 ? log10((double) i) + 1 : 1;
7}
8
9int main()
10{
11	std::cout << "Number of digits: " << getNumberOfDigits(/*Example*/6738) << std::endl;  
12	return 0;
13}
Alberto
14 Jan 2016
1floor(log10(n) + 1);
Céline
07 Apr 2018
1function getlength(number) {
2    return number.toString().length;
3}
4
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