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V2EX  ›  编程

[面试题] 如何得知删除的数组元素

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  •   SuAlien · Dec 11, 2016 · 4095 views
    This topic created in 3513 days ago, the information mentioned may be changed or developed.

    从一个数组中删除一个元素，然后乱序存入另外一个数组中，问如何知道删除的是哪一个数？

  • 删除
  • 元素
  • 存入
  • 面试
    1 replies  •  2016-12-11 22:12:09 +08:00
    9hills
        1
    9hills  
       Dec 11, 2016 via iPhone
    Sum(A) - Sum(B)
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