answer.code: In function ‘int main()’:
answer.code:3:14: error: ‘std::ios’ has not been declared
    3 |         std::ios::sync_with_stdio(false); std::cin.tie(0);
      |              ^~~
answer.code:3:48: error: ‘cin’ is not a member of ‘std’
    3 |         std::ios::sync_with_stdio(false); std::cin.tie(0);
      |                                                ^~~
answer.code:1:1: note: ‘std::cin’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
  +++ |+#include <iostream>
    1 | signed main()
answer.code:4:9: error: ‘cin’ was not declared in this scope
    4 |         cin >> n >> m;
      |         ^~~
answer.code:4:16: error: ‘n’ was not declared in this scope
    4 |         cin >> n >> m;
      |                ^
answer.code:4:21: error: ‘m’ was not declared in this scope
    4 |         cin >> n >> m;
      |                     ^
answer.code:5:9: error: ‘cnt’ was not declared in this scope; did you mean ‘int’?
    5 |         cnt = -1;
      |         ^~~
      |         int
answer.code:6:44: error: ‘a’ was not declared in this scope
    6 |         for (int i = 0; i < n; i++) cin >> a[i];
      |                                            ^
answer.code:7:44: error: ‘b’ was not declared in this scope
    7 |         for (int i = 0; i < m; i++) cin >> b[i], st[b[i]] = true;
      |                                            ^
answer.code:7:50: error: ‘st’ was not declared in this scope; did you mean ‘std’?
    7 |         for (int i = 0; i < m; i++) cin >> b[i], st[b[i]] = true;
      |                                                  ^~
      |                                                  std
answer.code:9:41: error: ‘a’ was not declared in this scope
    9 |         for (int i = 0; i < n; i++) if (a[i]==b[0]) pos = i;
      |                                         ^
answer.code:9:47: error: ‘b’ was not declared in this scope
    9 |         for (int i = 0; i < n; i++) if (a[i]==b[0]) pos = i;
      |                                               ^
answer.code:11:13: error: ‘st’ was not declared in this scope; did you mean ‘std’?
   11 |         if (st[a[(pos - 1 + n) % n]]) flag = true;
      |             ^~
      |             std
answer.code:11:16: error: ‘a’ was not declared in this scope
   11 |         if (st[a[(pos - 1 + n) % n]]) flag = true;
      |                ^
answer.code:15:22: error: ‘st’ was not declared in this scope; did you mean ‘std’?
   15 |                 if (!st[a[i]]) { flag1 = false; break; }
      |                      ^~
      |                      std
answer.code:15:25: error: ‘a’ was not declared in this scope
   15 |                 if (!st[a[i]]) { flag1 = false; break; }
      |                         ^
answer.code:16:17: error: ‘que’ was not declared in this scope
   16 |                 que[++cnt] = a[i];
      |                 ^~~
answer.code:16:30: error: ‘a’ was not declared in this scope
   16 |                 que[++cnt] = a[i];
      |                              ^
answer.code:22:17: error: ‘cout’ was not declared in this scope
   22 |                 cout << 0 << endl;
      |                 ^~~~
answer.code:22:30: error: ‘endl’ was not declared in this scope
   22 |                 cout << 0 << endl;
      |                              ^~~~
answer.code:25:41: error: ‘que’ was not declared in this scope
   25 |         for (int i = 0; i < m; i++) if (que[0] == b[i]) pos = i;
      |                                         ^~~
answer.code:25:51: error: ‘b’ was not declared in this scope
   25 |         for (int i = 0; i < m; i++) if (que[0] == b[i]) pos = i;
      |                                                   ^
answer.code:29:21: error: ‘b’ was not declared in this scope
   29 |                 if (b[i] != que[j])
      |                     ^
answer.code:29:29: error: ‘que’ was not declared in this scope
   29 |                 if (b[i] != que[j])
      |                             ^~~
answer.code:37:21: error: ‘b’ was not declared in this scope
   37 |                 if (b[i] != que[j])
      |                     ^
answer.code:37:29: error: ‘que’ was not declared in this scope
   37 |                 if (b[i] != que[j])
      |                             ^~~
answer.code:43:29: error: ‘cout’ was not declared in this scope
   43 |         if (flag_1||flag_2) cout << 1 << endl;
      |                             ^~~~
answer.code:43:42: error: ‘endl’ was not declared in this scope
   43 |         if (flag_1||flag_2) cout << 1 << endl;
      |                                          ^~~~
answer.code:44:14: error: ‘cout’ was not declared in this scope
   44 |         else cout << 0 << endl;
      |              ^~~~
answer.code:44:27: error: ‘endl’ was not declared in this scope
   44 |         else cout << 0 << endl;
      |                           ^~~~