输入N个整数,求这n个整数中偶数的平均值,并输出,这个用C语言怎么解决啊...答:include "stdio.h"int main(){ int n,i,a,j;double sum;j=0;sum=0.0;printf("enter the N\n");scanf("%d",&n);printf("enter the N integers\n");for(i=1;i<=n;i++){ scanf("%d",&a);if(a%2==0)sum=sum+a,j++;} printf("the average is %f\n",sum/j);return...
请编写个C语言程序,完成成绩管理功能。求和,平均值,排序,输入五位学生...答:printf("总成绩=");printf("%f",total(score,N));printf("\n");printf("平均成绩=");printf("%f",average(score,N));printf("\n");sort(score,N); /*排序*/ printf("排序后的数组(成绩):\n");for(i=0;i<N;i++)printf("%f\n",score[i]);printf("\n");return 0;} ...