#include <iostream>
#include <string.h>
#include <algorithm>
using namespace std;
char c1[1010],c2[1010];
void turn(int x){
if(c1[x]=='*') c1[x]='o';
else c1[x]='*';
return;
}
int main()
{
cin>>c1>>c2;
int sum=0,len = strlen(c1);
for(int i=0;i<len;i++){
if(c1[i]!=c2[i]){
turn(i);
turn(i+1);
sum++;
}
}
cout<< sum <<endl;
return 0;
}
Processed:
0.033, SQL:
8
