Language: C++

#include<bits/stdc++.h>
using nameapace std;
int main(){
  int n,m,X,Y;cin>>n>>m>>X>>Y;
  vector<int>x(n),y(m);
  string s="War";
  int maxx=0,miny=1000000000;
  for(int i=0;i<n;i++)
  {
    cin>>x.at(i);
    maxx=max(maxx,x.at(i));
  }
  for(int i=0;i<m;i++)
  {
    cin>>y.at(i);
    miny=min(miny,y.at(i));
  }
  for(int i=x+1;i<y;i++)
  {
    bool a=i>maxx;
	bool b=i<miny;
  	if(a&&b)
  	{
      cout<<maxx<<endl;
   	 s="No War";
   	 break;
  	}
  }
  cout<<s<<endl;
}
  
  

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'nameapace'
    2 | using nameapace std;
      |       ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:4:15: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    4 |   int n,m,X,Y;cin>>n>>m>>X>>Y;
      |               ^~~
      |               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:5:3: error: 'vector' was not declared in this scope
    5 |   vector<int>x(n),y(m);
      |   ^~~~~~
a.cc:5:3: 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:5:10: error: expected primary-expression before 'int'
    5 |   vector<int>x(n),y(m);
      |          ^~~
a.cc:6:3: error: 'string' was not declared in this scope
    6 |   string s="War";
      |   ^~~~~~
a.cc:6:3: 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:10:10: error: 'x' was not declared in this scope
   10 |     cin>>x.at(i);
      |          ^
a.cc:11:10: error: 'max' was not declared in this scope; did you mean 'std::max'?
   11 |     maxx=max(maxx,x.at(i));
      |          ^~~
      |          std::max
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: 'std::max' declared here
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
a.cc:15:10: error: 'y' was not declared in this scope
   15 |     cin>>y.at(i);
      |          ^
a.cc:16:10: error: 'min' was not declared in this scope; did you mean 'std::min'?
   16 |     miny=min(miny,y.at(i));
      |          ^~~
      |          std::min
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: 'std::min' declared here
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
a.cc:18:13: error: 'x' was not declared in this scope
   18 |   for(int i=x+1;i<y;i++)
      |             ^
a.cc:18:19: error: 'y' was not declared in this scope
   18 |   for(int i=x+1;i<y;i++)
      |                   ^
a.cc:24:7: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   24 |       cout<<maxx<<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:24:19: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   24 |       cout<<maxx<<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:25:10: error: 's' was not declared in this scope
   25 |          s="No War";
      |          ^
a.cc:29:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   29 |   cout<<s<<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:29:9: error: 's' was not declared in this scope
   29 |   cout<<s<<endl;
      |         ^
a.cc:29:12: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   29 |   cout<<s<<endl;
      |            ^~~~
      |            std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~