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注意这种情况,最后的角度不要大于2π

Posted by scse10_Brook at 2014-05-26 15:29:46 on Problem 1031
    |--------------------|
    |  ------------------|
    | |
    | | |-------------------
    | | |----------------  |
    | |                  | |
    | |        *         | |
    | |                  | |
    |  ------------------
    |----------------------|

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