版权声明:假装有个原创声明……虽然少许博文不属于完全原创,但也是自己辛辛苦苦总结的,转载请注明出处,感谢! https://blog.csdn.net/m0_37454852/article/details/88360380
#include <algorithm>
#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <string>
using namespace std;
int main()
{
char A[20], B[20];
while(scanf("%s %s", A, B) != EOF)
{
getchar();
int lenA = strlen(A);
int lenB = strlen(B);
int sumA = 0, sumB = 0;
for(int i=0; i<lenA; i++) sumA += A[i] - '0';
for(int i=0; i<lenB; i++) sumB += B[i] - '0';
printf("%d\n", sumA*sumB);
}
return 0;
}