Language: C++

#include <bits/stdc++.h>
int main(){
    int n,m;
    cin>>n>>m;
    vector<string> a(n),b(m);
    for(int i=0; i<n; i++) cin>>a[i];
    for(int i=0; i<m; i++) cin>>b[i];
    for(int i=0; i<n-m+1; i++){
        for(int j=0; j<n-m+1; j++){
            bool ok=true;
            for(int k=0; k<m; k++){
                for(int l=0; l<m; l++){
                    if(a[i+k][j+l]!=b[k][l]) ok=false;
                }
            }
            if(ok){
                cout<<"Yes"<<endl;
                return 0;
            }
        }
    }
    cout<<"No"<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    4 |     cin>>n>>m;
      |     ^~~
      |     std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:5:5: error: 'vector' was not declared in this scope
    5 |     vector<string> a(n),b(m);
      |     ^~~~~~
a.cc:5:5: note: suggested alternatives:
In file included from /usr/include/c++/14/vector:66,
                 from /usr/include/c++/14/functional:64,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:53:
/usr/include/c++/14/bits/stl_vector.h:428:11: note:   'std::vector'
  428 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
/usr/include/c++/14/vector:93:13: note:   'std::pmr::vector'
   93 |       using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
      |             ^~~~~~
a.cc:5:12: error: 'string' was not declared in this scope
    5 |     vector<string> a(n),b(m);
      |            ^~~~~~
a.cc:5:12: note: suggested alternatives:
In file included from /usr/include/c++/14/string:41,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:5:20: error: 'a' was not declared in this scope
    5 |     vector<string> a(n),b(m);
      |                    ^
a.cc:5:25: error: 'b' was not declared in this scope
    5 |     vector<string> a(n),b(m);
      |                         ^
a.cc:17:17: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   17 |                 cout<<"Yes"<<endl;
      |                 ^~~~
      |                 std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:17:30: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   17 |                 cout<<"Yes"<<endl;
      |                              ^~~~
      |                              std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:22:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   22 |     cout<<"No"<<endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:22:17: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   22 |     cout<<"No"<<endl;
      |                 ^~~~
      |                 std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~