题解 | #特殊乘法#

#include <stdio.h>

int main() {
    char c;
    int x=0,y=0,i=0;
    while((c=getchar())!=' '){
       // printf("%c",c);
        x+=c-'0';
    }
   // printf("\n");
    //c=getchar();
    //printf("*%c*\n",c);
    while ((c=getchar())!='\n') {
        //printf("%c",c);
        y+=c-'0';
    }
    //printf("\n");
    printf("%d\n",x*y);
}