...int *a, int n ),对数组中的n个数降序排序编写main函数,并在其中...答:int *arr,int len){ for(int i = 0;i<len;i++){ printf("%d ",arr[i]);} printf("\n");} int main(){ int arr[] = {8,9,2,1,7,10,3,6,5,4};printf("排序前:\n");printArr(arr,10);printf("排序后:\n");sort(arr,10);printArr(arr,10);return 0;} ...