更改

== 部分参赛算法 ==

== 部分参赛算法 ==

* TIT FOR TAT

; TIT FOR TAT

* FRIEDMAN: once got defected, defect from then on (totally unforgiving)

; FRIEDMAN: once got defected, defect from then on (totally unforgiving)

* JOSS: TIT FOR TAT but occationally defect when should have cooperated

; JOSS: TIT FOR TAT but occationally defect when should have cooperated

* HARRINGTON: 前 15 名中唯一一个 non-nice 程序。随着进化，一开始有增长，但是当它可以加害的受害者被淘汰后，它自己也被淘汰。

; HARRINGTON

*:The ecological analysis shows that '''doing well with rules that do not score well themselves''' is eventually a self-defeating process.

: 前 15 名中唯一一个 non-nice 程序。随着进化，一开始有增长，但是当它可以加害的受害者被淘汰后，它自己也被淘汰。

: The ecological analysis shows that '''doing well with rules that do not score well themselves''' is eventually a self-defeating process.

== 摘抄 ==

== 摘抄 ==