func_code_string: #include <bits/stdc++.h>   using namespace std;   const int MAX = 1e5 + 5;   const int INF = 1e9 + 7;   long long int arr[MAX];   signed main() {     cin.tie(NULL);     cout.tie(NULL);     ios::sync_with_stdio(0);     long long int n1, n2;     cin >> n1 >> n2;     string a, b;     cin >> a >> b;     long long int ans = INF;     long long int pos;     long long int cnt = 0;     for (long long int i = 0; i < n2 - n1 + 1; ++i) {       long long int cnt = 0;       for (long long int j = 0; j < n1; ++j) {         if (a[j] == b[i + j]) {           cnt++;         }       }       cnt = n1 - cnt;       if (cnt < ans) {         ans = cnt;         pos = i;       }     }     cout << ans << endl;     for (long long int i = pos; i < pos + n1; ++i) {       if (b[i] != a[i - pos]) {         cout << i - pos + 1 <<    ;       }     }     cout << endl;     return 0;   }   