第一篇题解

#include<bits/stdc++.h>
using namespace std;

int main()
{
string a;//字符拆解
cin >> a;
int s = (a[0] - '0') * 100 + (a[1] - '0') * 10 + (a[2] - '0');
int s2 = (a[3] - '0') * 100 + (a[4] - '0') * 10 + (a[5] - '0');
int s3 = (a[6] - '0') * 100 + (a[7] - '0') * 10 + (a[8] - '0');
cout << s * s2 * s3;
return 0;
}