func_code_string: #include <bits/stdc++.h>   using namespace std;   void count() {}   int ans[1000001], h = 0;   int main() {     count();     int n;     cin >> n;     int a[301], b[301];     for (int i = 1; i <= n; ++i) {       cin >> a[i];     }     for (int i = 1; i <= n; ++i) {       cin >> b[i];     }     for (int i = 1; i <= n; ++i) {       if (a[i] != b[i]) {         int id;         for (int j = i + 1; j <= n; ++j) {           if (b[j] == a[i]) {             id = j;             break;           }         }         for (int j = id; j > i; --j) {           ans[h++] = j;           swap(b[j], b[j - 1]);         }       }     }     cout << h << endl;     for (int i = 0; i < h; ++i) {       cout << ans[i] - 1 <<     << ans[i] << endl;     }     return 0;   }   