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百度3.4.8 #74

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kywvane opened this issue Mar 18, 2020 · 0 comments

kywvane commented Mar 18, 2020

1.建立一个键值对
2.遍历数组
3.每次读到一个数
3.1如键值对为空，则填入这个数及值1
3.2如数与键相同，则值加1
3.3如键与数不同，则值减1，当值为0时清除键
4.可运行到数组结尾，也可判断当值大于等于数组剩余未遍历元素个数的二分之一时退出

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