数组大折腾

#include <iostream>using namespace std;int main(){int i;int a[20]={1,2,3,4,5,6,7,8,9,0};cout<<"请输入十个整数:";for (i=10;i<20;++i){       cin>>a[i];   }for (i=19;i>=0;--i){cout<<a[i]*2<<endl;}return 0;}