Language: C++

/**************
*	?°?????????????????????????????£?
*************/

#include <iostream>
#include <vector>
#include <string>
using namespace std;

	//??\?????????????????????????????????	//????????§???ABC?????§???????????????
void insert(vector<string> str){
	str.push_back.
	
	seiretu;
}

void find(vector<string> str){
	str ;
	//str??????????????\?????????????????????????????°yes
	if( == ){
		printf("yes");
	}
	else{
		printf("no");
	}
return;
}


int main()
{
	int n;
	//???????????°n?????\???
	cin n;
	
	//??????????????\?????????????????????
	vector<string> str;
	str.resize(n);
	
	//???????????°??????????????????????????????????????????
	for(int i =0; i<n ;i++ )
	
	//??????????????????????????????
	getline();
	
	
	//??????????????????"insert"??????????????????
	if(){
		//???????????????
		insert();
	}
	else	{//"find"??????????????????????????¢?´¢
		find();
		
		//???????????????????????¢??°???
		answer 
	}
	return 0;
}

Compiler output:
a.cc: In function 'void insert(std::vector<std::__cxx11::basic_string<char> >)':
a.cc:12:13: error: invalid use of member function 'std::vector<std::__cxx11::basic_string<char> >::push_back' (did you forget the '()' ?)
   12 |         str.push_back.
      |         ~~~~^~~~~~~~~
a.cc: In function 'void find(std::vector<std::__cxx11::basic_string<char> >)':
a.cc:20:13: error: expected primary-expression before '==' token
   20 |         if( == ){
      |             ^~
a.cc:20:16: error: expected primary-expression before ')' token
   20 |         if( == ){
      |                ^
a.cc: In function 'int main()':
a.cc:34:12: error: expected ';' before 'n'
   34 |         cin n;
      |            ^~
      |            ;
a.cc:44:16: error: no matching function for call to 'getline()'
   44 |         getline();
      |         ~~~~~~~^~
In file included from /usr/include/c++/14/string:55,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:5:
/usr/include/c++/14/bits/basic_string.tcc:907:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::getline(basic_istream<_CharT, _Traits>&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&, _CharT)'
  907 |     getline(basic_istream<_CharT, _Traits>& __in,
      |     ^~~~~~~
/usr/include/c++/14/bits/basic_string.tcc:907:5: note:   candidate expects 3 arguments, 0 provided
In file included from /usr/include/c++/14/string:54:
/usr/include/c++/14/bits/basic_string.h:4117:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::getline(basic_istream<_CharT, _Traits>&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 4117 |     getline(basic_istream<_CharT, _Traits>& __is,
      |     ^~~~~~~
/usr/include/c++/14/bits/basic_string.h:4117:5: note:   candidate expects 2 arguments, 0 provided
/usr/include/c++/14/bits/basic_string.h:4125:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::getline(basic_istream<_CharT, _Traits>&&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&, _CharT)'
 4125 |     getline(basic_istream<_CharT, _Traits>&& __is,
      |     ^~~~~~~
/usr/include/c++/14/bits/basic_string.h:4125:5: note:   candidate expects 3 arguments, 0 provided
/usr/include/c++/14/bits/basic_string.h:4132:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::getline(basic_istream<_CharT, _Traits>&&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 4132 |     getline(basic_istream<_CharT, _Traits>&& __is,
      |     ^~~~~~~
/usr/include/c++/14/bits/basic_string.h:4132:5: note:   candidate expects 2 arguments, 0 provided
In file included from /usr/include/c++/14/cstdio:42,
                 from /usr/include/c++/14/ext/string_conversions.h:45,
                 from /usr/include/c++/14/bits/basic_string.h:4154:
/usr/include/stdio.h:697:18: note: candidate: '__ssize_t getline(char**, size_t*, FILE*)'
  697 | extern __ssize_t getline (char **__restrict __lineptr,
      |                  ^~~~~~~
/usr/include/stdio.h:697:18: note:   candidate expects 3 arguments, 0 provided
a.cc:48:12: error: expected primary-expression before ')' token
   48 |         if(){
      |            ^
a.cc:50:23: error: too few arguments to function 'void insert(std::vector<std::__cxx11::basic_string<char> >)'
   50 |                 insert();
      |                 ~~~~~~^~
a.cc:11:6: note: declared here
   11 | void insert(vector<string> str){
      |      ^~~~~~
a.cc:53:21: error: no matching function for call to 'find()'
   53 |                 find();
      |                 ~~~~^~
In file included from /usr/include/c++/14/bits/locale_facets.h:48,
                 from /usr/include/c++/14/bits/basic_ios.h:37,
                 from /usr/include/c++/14/ios:46:
/usr/include/c++/14/bits/streambuf_iterator.h:435:5: note: candidate: 'template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT> >::__type std::find(istreambuf_iterator<_CharT>, istreambuf_iterator<_CharT>, const _CharT2&)'
  435 |     find(istreambuf_iterator<_CharT> __first,
      |     ^~~~
/usr/include/c++/14/bits/streambuf_iterator.h:435:5: note:   candidate expects 3 arguments, 0 provided
a.cc:17:6: note: candidate: 'void find(std::vector<std::__cxx11::basic_string<char> >)'
   17 | void find(vector<string> str){
      |      ^~~~
a.cc:17:6: note:   candidate expects 1 argument, 0 provided
a.cc:56:17: error: 'answer' was not declared in this scope
   56 |                 answer
      |                 ^~~~~~