Ruby how many digits

As Integers are conceptually infinite length, the result acts as if it had an infinite number of one bits to the left. In hex representations, this is displayed as two periods to the left of the digits. Home Core 2. Home Classes Methods. In Files bignum. Parent Numeric. Files grammar. Integer Holds Integer values. Returns int modulo other. See Numeric divmod for more information. Bitwise AND. Negates int. This is the basis for the tests in the Comparable module.

Returns the absolute value of int. Returns the number of bits of the value of int. This is achieved by converting numeric to a Bignum. Returns 1. See Numeric divmod. If no block is given, an Enumerator is returned instead.

Returns true if int is an even number. Bitwise AND. Returns int , negated. This is the basis for the tests in the Comparable module. Returns the absolute value of int. Returns the number of bits of the value of int. Returns self when ndigits is zero or positive. This is achieved by converting numeric to a Bignum. Returns 1. See Numeric divmod. If no block is given, an Enumerator is returned instead.

Returns true if int is an even number. Returns the floating point result of dividing int by numeric. Returns self. Returns true if int is an odd number. Returns the int itself. For example,? Returns modular exponentiation as: a.

Returns the value as a rational. The optional argument eps is always ignored. Returns the remainder after dividing int by numeric. Also aliased as: inspect. Asked 8 years, 10 months ago. Active 2 years, 1 month ago. Viewed 24k times. Improve this question. Orcris Orcris 2, 6 6 gold badges 21 21 silver badges 23 23 bronze badges. What is the "length of a Fixnum "? In what representation? Add a comment. Active Oldest Votes. Improve this answer.

Every time I profile something, I get a surprise. In MRI 1. A lot faster: On my box, n. If the number has to be represented a Bignum, then the logarithm method starts winning.

We could use 10 different variables c0, c1, Specifically we use an array called count with 10 elements in it. In count[0] we will count the number 0s, in count[1] we will count the number of 1s, The solution in Ruby In this solution written in Ruby , we start by getting the name of the file to be process on the command line. At first we check if ARGV has the right number of arguments.

If not we print an error message and exit. Then we declare the count array. Get the name of the file from the first element of the ARGV array containing the values from the command line and open it for reading and iterate over it using each. In each iteration line will contain a single line.