...求一维数组a:(10,4,2,7,3,12,5,34,5,9)中值为偶数的元素之和。正确...答:include <conio.h> include <stdio.h> sum ( int arr[ ],int n ){ int i,s;clrscr();s = 0;for ( i=0; i<n; i++){ if (arr[i] % 2 == 0)s = s +arr[ i];} return (s);} main(){ int a[10]={10,4,2,7,3,12,5,34,5,9},i,s;/***found***/ s...
...4,5,6,7,8,9,10}利用指针求数组a中奇数元素个数与奇数平均值_百度知 ...答:include<stdio.h>#define N 10void main() { int a[N],i,n,s,*p; float av; for ( i=0;i<N;i++ ) a[i]=i+1; for ( i=0,p=a,s=n=0;i<N;i++,p++ ) if ( *p%2==0 ) { n++; s+=*p; } av=s; av/=n; printf("奇数个数%d,奇数平均值%f\n",n,...
Java语言 在一个数组a[]中的元素均为正整数,计算a[]中偶数的个数和偶 ...答:int[] arr = {0,1,2,3,4,5,6,7,8,9};int count=0;int sum=0;for(int i=0;i<arr.length;i++){ if(arr[i]!=0&&arr[i]%2==0){ count++;sum+=arr[i];} } System.out.println("偶数量:"+count+"个");System.out.println("偶数和:"+sum);