code：

#include <iostream>
#include <string>

#define debug(x) std::cout << #x << " = " << x << '\n'

int MaxBorder(std::string s){

    int ans = 0;

    for (int i = 0,j = s.length() - 1;i < j;i++,j--){

        if (s[i] == s[j]) ans++;
        else break;

    }

    return ans;
}

int main(){

    #ifndef ONLINR_JUDGE
        freopen("P3375.in","r",stdin);
        freopen("P3375.out","w",stdout);
    #endif

    std::cin.tie(0)->sync_with_stdio(0);

    int pos = -1;
    std::string s1,s2,s = "";

    std::cin >> s1 >> s2;
    while ((pos = s1.find(s2,pos + 1)) != -1) std::cout << pos + 1 << '\n';
    for (char c : s2) s += c,std::cout << MaxBorder(s) << ' ';

    return 0;
}

我知道这不是正解，但也没有TLE，为什么WA？下载都对的！！！