28 сент. 2009 г. · The most efficient way, presuming you know the size of the integer, would be a lookup. Should be faster than the much shorter logarithm based approach. How to know the number of digits in an integer - c++ How to get each digit in an int in order? - c++ - Stack Overflow Get number of digits in a base10 integer - c++ - Stack Overflow Другие результаты с сайта stackoverflow.com

31 окт. 2023 г. · Here we will see how to check how many digits are there in an integer in C++. At first we will see the traditional rule, then see one short method to find.

19 сент. 2024 г. · We can use log10(logarithm of base 10) to count the number of digits of positive numbers (logarithm is not defined for negative numbers).

Here, we will discuss a program to find number of digits in an integer in C++ . We will use loops along with an arithmetic operator.

Продолжительность: 1:01
Опубликовано: 24 дек. 2020 г.

3 февр. 2018 г. · So I have scanf() input "1001001" into variable x. How can i count how many digits there are in this value? I've checked online guides and ...

27 мая 2020 г. · basically, to “count the number of digits” in a “huge number” one can effectively use good old sprintf(). Please see here a working code made ...

Продолжительность: 4:01
Опубликовано: 16 авг. 2023 г.

28 сент. 2009 г. · int numberOfDigits(int n){ if(n<=9){ return 1; } return 1 + numberOfDigits(n/10); } This is what i would do, if you want it for base 10.Its pretty fast.

6 сент. 2020 г. · Find the magnitude by taking the log (base 10) and truncating the result to its integer floor. Then add 1 to get the number of digits.