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Modules: CallCache

Instance Method Summary collapse

Instance Method Details

#exp_fun(start_num, end_num) ⇒ Object 



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# File 'lib/main.rb', line 23

def exp_fun( start_num, end_num )
    ret_val = 1
    
    start_num.upto( end_num ) do |num|
        ret_val = ret_val * num
    end
    
    return ret_val.to_s.size
end