题目详情

阅读以下说明和C函数,填补代码中的空缺,将解答填入答题纸的对应栏内。

[说明1]

函数isPrime(int n)的功能是判断n是否为素数。若是,则返回1,否则返回0。素数是只能被1和自己整除的正整数。例如,最小的5个素数是2,3,5,7,11。

[C函数] int isPrime(int n) { int k, t; if (n==2) return 1; if(n<2 || ______)return 0; /*小于2的数或大于2的偶数不是素数// t=(int)Sqrt(n)+1; for(k=3; k<t; k+=2) if(______) return 0; return 1; }

[说明2]

函数int minOne(int art[],int k)的功能是用递归方法求指定数组中前k个元素中的最小者,并作为函数值返回。

[C函数]int minOne(int arr[],int k){int t;assert(k>0);if(k==1)return ______;t=minOne(arr+1,______);if(arr[0]<t)return amr[0];return ______;}

正确答案及解析

正确答案
解析

n%2==0,或!(n%2),或其等价形式

n%k==0,或!(n%k),或其等价形式

arr[0],或*arr,或其等价形式

k-1,或其等价形式

t

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