题目1083：特殊乘法

#include "iostream"
#include "stdio.h"
#include <vector>
#include <cstring>
#include <algorithm>
#include <string>
#include <string.h>
#include <stack>
using namespace std;
//1083
long long int a,b;
vector<int> v1,v2;
int main(){
    while(scanf("%lld %lld",&a,&b)!=EOF){
        v1.clear();v2.clear();
        while(a){
            v1.push_back(a%10);
            a/=10;
        }
        while(b){
            v2.push_back(b%10);
            b/=10;
        }
        int s=0;
        for(int i=0;i<v1.size();i++)
            for(int j=0;j<v2.size();j++)
                s+=v1[i]*v2[j];
        printf("%d\n",s);
    }
    return 0;
}
/**************************************************************
    Problem: 1083
    User: cust123
    Language: C++
    Result: Accepted
    Time:0 ms
    Memory:1520 kb
****************************************************************/