题目描述

blablabla

样例

#include<iostream>
#include<cstring>
using namespace std;
const int N = 110;
int main()
{
    string s1, s2;
    int sum = 0;
    cin >> s1 >> s2;
    for (int i = 0; i < s1.size() - 1; i++)
    {
        if (s1[i] != s2[i])
        {
            sum++;
            if (s1[i] == '*') 
                s1[i] = 'o';
            else 
                s1[i] = '*';
            if (s1[i+1] == 'o') 
                s1[i+1] = '*';
            else 
                s1[i+1] = 'o';
        }
    }
    cout <<sum;
    return 0;
}