QQ扫一扫联系
#include <iostream>
using namespace std;
int main() {
int a[4],b[4];
int i,j,tmp;
for (i=0; i<4; i++)
cin >> b[i];
for (i=0; i<4; i++) {
a[i]=0;
for (j=0; j<=i; j++) {
a[i]+=b[j];
b[a[i]%4]+=a[j];
}
}
tmp=1;
for (i=0; i<4; i++) {
a[i]%=10;
b[i]%=10;
tmp*=a[i]+b[i];
}
cout << tmp << endl;
return 0;
}输入：2 3 5 7
输出：_______________
