ac的的的！点赞(＾Ｕ＾)ノ~ＹＯ

👇

#include<iostream>
using namespace std;
int main(){
    int n,a=0,b=0,c=0;
    cin>>n;
    a+=n%10;
    n/=10;
    a+=n%10*10;
    n/=10;
    a+=n%10*100;
    n/=10;
    b+=n%10;
    n/=10;
    b+=n%10*10;
    n/=10;
    b+=n%10*100;
    n/=10;
    c+=n%10;
    n/=10;
    c+=n%10*10;
    n/=10;
    c+=n%10*100;
    cout<<a*b*c;
    return 0;
}