请看: https://so.csdn.net/so/search?q=c%2B%2B%20vector&t=blog&u=
Vector???好吧,这里是数组版,Vector太麻烦,到时候你自己改:
int array[10]; for(int i=0;i<10;i++){ cin>>array[i]; array[i]=array[i]*array[i]; }