1281. integers difference between you and the product

2020-03-17

1. Title Description

整数的各位积和之差

2. problem solution

直接进行计算即可

3. Code

#include <iostream>
using namespace std;

class Solution {
public:
    int subtractProductAndSum(int n) {
        int sum=0,minus=1,tmp;
        while (n){
            tmp=n%10;
            sum+=tmp;
            minus*=tmp;
            n/=10;
        }
        return minus-sum;
    }
};

int main(){
    Solution s;
    cout<<s.subtractProductAndSum(4421)<<endl;
    return 0;
}