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shui

Posted by KatrineYang at 2016-11-06 13:18:49 on Problem 3673
#include <stdio.h>
#include <string.h>
int main() {
	char A[233],B[233];
	scanf("%s%s",A,B);
	int a=strlen(A),b=strlen(B);
	int r=0;
	for(int i=0;i<a;i++){
		for(int j=0;j<b;j++){
			r+=(A[i]-'0')*(B[j]-'0');
		}
	}
	printf("%d\n",r);
	return 0;
}

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