题解 | #特殊乘法#
特殊乘法
http://www.nowcoder.com/practice/a5edebf0622045468436c74c3a34240f
int main(){
long a,b;
while(scanf("%ld %ld",&a,&b) != EOF){
long sum = 0;
while(a){
int temp = b;
while(temp){
sum += (temp % 10) * (a % 10);
temp /= 10;
}
a /= 10;
}
printf("%ld\n",sum);
}
}
