level 9
sevk
楼主
irb(main):099:0> a=0;t = Time.now ; 6000000.times{a+=1} ; p Time.now - t
1.484375
=> nil
irb(main):100:0> a=0;t = Time.now ; 6000000.times{a=a+1} ; p Time.now - t
1.40625
=> nil
irb(main):101:0> a=0;t = Time.now ; 6000000.times{a=a.succ} ; p Time.now - t
1.265625
=> nil
irb(main):102:0>
2012年02月14日 05点02分
1
1.484375
=> nil
irb(main):100:0> a=0;t = Time.now ; 6000000.times{a=a+1} ; p Time.now - t
1.40625
=> nil
irb(main):101:0> a=0;t = Time.now ; 6000000.times{a=a.succ} ; p Time.now - t
1.265625
=> nil
irb(main):102:0>