func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string a, b;     cin >> a >> b;     int x = 0, y = 0;     int n = b.length();     while (x < n && a[x] == b[x]) x++;     while (y < n && a[n - y] == b[n - 1 - y]) y++;     int res = x + y + 2 - (n + 1);     res = max(0, min(res, n + 1));     cout << res << endl;     int start = n - y + 1;     for (int i = 0; i < res; i++) cout << (start + i) <<    ;     cout << endl;     return 0;   }   