数字分离 + 运算

#include <bits/stdc++.h>
using namespace std;
int main()
{
    for(int a=123;a<=333;a++)
    {
        int b=a*2,c=a*3;
        int a1=a/100,a2=a/10%10,a3=a%10;
        int b1=b/100,b2=b/10%10,b3=b%10;
        int c1=c/100,c2=c/10%10,c3=c%10;
        if(a1+a2+a3+b1+b2+b3+c1+c2+c3==45 and a1*a2*a3*b1*b2*b3*c1*c2*c3==362880)
            cout<<a<<" "<<b<<" "<<c<<endl;
    }
    return 0;
}