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Points: 1
Time limit: 0.02s
Memory limit: 69M

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Sample Input

Sample Output


  • -2
    codingmaster008  commented on Sept. 17, 2022, 5:59 a.m.

    such difficult question might not avail on other oj

  • -10
    Julian2006  commented on Dec. 7, 2016, 6:53 p.m.

    This comment is hidden due to too much negative feedback. Show it anyway.

  • 0
    whycolt  commented on May 17, 2016, 9:28 p.m.

    There is no input, output or samples, am i missing something?

    • 42
      Hypnova  commented on May 17, 2016, 11:06 p.m.

      The joke.

      • -3
        QooModa  commented on Feb. 15, 2022, 9:43 a.m.

        Lol... laughing of your joke,

        But I also didn't get the challange joke.

        Does it recquire high programming skills or theory?


  • 17
    ZQFMGB12  commented on April 3, 2016, 10:35 p.m. edited

    The number of test cases for this problem have been reduced, and all submissions rejudged.