试题与答案

煤的自然发火有哪些征兆?

题型:问答题 简答题

题目:

煤的自然发火有哪些征兆?

答案:

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阅读以下说明和流程图,填补流程图中的空缺(1)~(5),将解答填入答题纸的对应栏内。

【说明】以下流程图用于检查数组A[1:n]中的元素是否为自然数1~n的一个排列(含有1~n各数)。若是,则输出OK,否则输出所缺的自然数及其个数m。为检查A[1:n]中是否含有k,只要判断P(k)=(A(1)-k)*(A(2)-k)*…*(A(n)-k)是否等于0即可。【流程图】

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