/Ruby/Number of trailing zeros in a factorial of a number.

Number of trailing zeros in a factorial of a number.

# Number of trailing zeros in a factorial of a number

def zeros(n)
  zeros = 0
  while (n > 0) 
    n = (n / 5).floor
    zeros += n
  end
  zeros  
end

print "Number of trailing zeros = ", zeros(6);   # 1
print "\nNumber of trailing zeros = ", zeros(30);  # 7

Similar codes

0 vote227 views1 answer
Rails logger color
Ruby
1 vote264 views1 answer
Uninstall ruby
Ruby
0 vote288 views1 answer
Ruby frozen_string_literal
Ruby
0 vote276 views1 answer
Has_one rails
Ruby
1 vote295 views2 answers
Can joker have Azathoth
Ruby
0 vote274 views1 answer
Rails api render show page with id
Ruby
0 vote284 views1 answer
Post request rails link_to
Ruby
1 vote270 views1 answer
How to comment out embedded ruby
Ruby
0 vote267 views1 answer
Rails select boolean
Ruby
-1 vote289 views1 answer
Get specific key value from array of hashes in ruby
Ruby