依次将数字1,3,5,7……17,19存入数组,并逆序输出数组?答:include<stdio.h> void printArray(int arr[],int len){ for(int i = 0;i<len;i++){ printf("%d ",arr[i]);} printf("\n");} int main(){ int arr[10]={1,3,5,7,9,11,13,15,17,19};int temp;printf("交换前:\n");printArray(arr,10);for(int start=0,end = 9;...