整型一维数组中存放互不相同的10个数,从键盘输入一个整数,输出与该数相...答:include<stdio.h> int main(){ int key,index;int arr[10]={1,2,3,4,5,6,7,8,9,10};printf("输入整数Key:\n");scanf("%d",&key);for(index=0;index<10&&arr[index]!=key;index++);if(index<10){ printf("位置是:%d\n",index);} else { printf("没有要找的数字\n");...
c语言统计数组中小于数组元素平均值的元素的个数答:include"stdio.h"float count (int b[],int n){ int i;float sum=0,avg;for(i=0;i<n;i++)sum=sum+b[i];avg=sum/n;return(avg);} void main(){ float avg;int i,k=0;int a[10] ={12,34,56,78,90,9,87,65,43,21};avg=count(a,10);for(i=0;i<10;i++)if(a[...