Language: C++

#include <bits/stdc++.h>
using namespace std;
int dirX[4] = {0, 1, 0, -1}, dirY[4] = {1, 0, -1, 0}, x1, y0;
string s;
bool bl = false, bl1 = false;

void dfs( int x, int y, int dir, int ind ){
	if( ind == s.length() ){
		if( x == x1 && y == y0 ){
			bl1 = true;
		}
	}
	if( bl1 || ind == s.length() ) 
		return;

	char ch = s[ind];
	if( ch == 'F' )
		dfs(x+dirX[dir], y+dirY[dir], dir, ind+1);
	else{
		dfs(x, y, (dir+3)%4, ind+1);
		dfs(x, y, (dir+1)%4, ind+1);
	}
}

int main(){

	cin >> s;
	cin >> x1 >> y0;
	dfs(0, 0, 1, 0);

	if( bl1 ) {
		cout << "Yes" << endl;
	}
	else {
		cout << "No" << endl;
	}

	return 0;
}

Compiler output:
a.cc:3:59: error: 'int y0' redeclared as different kind of entity
    3 | int dirX[4] = {0, 1, 0, -1}, dirY[4] = {1, 0, -1, 0}, x1, y0;
      |                                                           ^~
In file included from /usr/include/features.h:523,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/os_defines.h:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/c++config.h:683,
                 from /usr/include/c++/14/cassert:43,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:33,
                 from a.cc:1:
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:256:1: note: previous declaration 'double y0(double)'
  256 | __MATHCALL (y0,, (_Mdouble_));
      | ^~~~~~~~~~
a.cc: In function 'void dfs(int, int, int, int)':
a.cc:9:34: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    9 |                 if( x == x1 && y == y0 ){
      |                                ~~^~~~~
a.cc: In function 'int main()':
a.cc:28:19: error: no match for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and 'double(double) noexcept')
   28 |         cin >> x1 >> y0;
      |         ~~~~~~~~~ ^~ ~~
      |             |        |
      |             |        double(double) noexcept
      |             std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}
In file included 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/istream:170:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  170 |       operator>>(bool& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:170:7: note:   conversion of argument 1 would be ill-formed:
a.cc:28:22: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'double (*)(double) noexcept'
   28 |         cin >> x1 >> y0;
      |                      ^~
/usr/include/c++/14/istream:174:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  174 |       operator>>(short& __n);
      |       ^~~~~~~~
/usr/include/c++/14/istream:174:7: note:   conversion of argument 1 would be ill-formed:
a.cc:28:22: error: invalid conversion from 'double (*)(double) noexcept' to 'short int' [-fpermissive]
   28 |         cin >> x1 >> y0;
      |                      ^~
      |                      |
      |                      double (*)(double) noexcept
a.cc:28:22: error: cannot bind rvalue '(short int)y0' to 'short int&'
/usr/include/c++/14/istream:177:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  177 |       operator>>(unsigned short& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:177:7: note:   conversion of argument 1 would be ill-formed:
a.cc:28:22: error: invalid conversion from 'double (*)(double) noexcept' to 'short unsigned int' [-fpermissive]
   28 |         cin >> x1 >> y0;
      |                      ^~
      |                      |
      |                      double (*)(double) noexcept
a.cc:28:22: error: cannot bind rvalue '(short unsigned int)y0' to 'short unsigned int&'
/usr/include/c++/14/istream:181:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  181 |       operator>>(int& __n);
      |       ^~~~~~~~
/usr/include/c++/14/istream:181:7: note:   conversion of argument 1 would be ill-formed:
a.cc:28:22: error: invalid conversion from 'double (*)(double) noexcept' to 'int' [-fpermissive]
   28 |         cin >> x1 >> y0;
      |                      ^~
      |                      |
      |                      double (*)(double) noexcept
a.cc:28:22: error: cannot bind rvalue '(int)y0' to 'int&'
/usr/include/c++/14/istream:184:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  184 |       operator>>(unsigned int& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:184:7: note:   conversion of argument 1 would be ill-formed:
a.cc:28:22: error: invalid conversion from 'double (*)(double) noexcept' to 'unsigned int' [-fpermissive]
   28 |         cin >> x1 >> y0;
      |                      ^~
      |                      |
      |                      double (*)(double) noexcept
a.cc:28:22: error: cannot bind rvalue '(unsigned int)y0' to 'unsigned int&'
/usr/include/c++/14/istream:188:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  188 |       operator>>(long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:188:7: note:   conversion of argument 1 would be ill-formed:
a.cc:28:22: error: invalid conversion from 'double (*)(double) noexcept' to 'long int' [-fpermissive]
   28 |         cin >> x1 >> y0;
      |                      ^~
      |                      |
      |                      double (*)(double) noexcept
a.cc:28:22: error: cannot bind rvalue '(long int)y0' to 'long int&'
/usr/include/c++/14/istream:192:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  192 |       operator>>(unsigned long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:192:7: note:   conversion of argument 1 would be ill-formed:
a.cc:28:22: error: invalid conversion from 'double (*)(double) noexcept' to 'long unsigned int' [-fpermissive]
   28 |         cin >> x1 >> y0;
      |                      ^~
      |                      |
      |                      double (*)(double) noexcept
a.cc:28:22: error: cannot bind rvalue '(long unsigned int)y0' to 'long unsigned int&'
/usr/include/c++/14/istream:199:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  199 |       operator>>(long long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:199:7: note:   conversion of argument 1 would be ill-formed:
a.cc:28:22: error: invalid conversion from 'double (*)(double) noexcept' to 'long long int' [-fpermissive]
   28 |         cin >> x1 >> y0;
      |                      ^~
      |                      |
      |                      double (*)(double) noexcept
a.cc:28:22: error: cannot bind rvalue '(long long int)y0' to 'long long int&'
/usr/include/c++/14/istream:203:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  203 |       operator>>(unsigned long long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:203:7: note:   conversion of argument 1 would be ill-formed:
a.cc:28:22: error: invalid conversion from 'double (*)(double) noexcept' to 'long long unsigned int' [-fpermissive]
   28 |         cin >> x1 >> y0;
      |                      ^~
      |                      |
      |                      double (*)(double) noexcept
a.cc:28:22: error: cannot bind rvalue '(long long unsigned int)y0' to 'long long unsigned int&'
/usr/include/c++/14/istream:328:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  328 |       operator>>(void*& __p)
      |       ^~~~~~~~
/usr/include/c++/14/istream:328:7: note:   conversion of argument 1 would be ill-formed:
a.cc:28:22: error: invalid conversion from 'double (*)(double) noexcept' to 'void*' [-fpermissive]
   28 |         cin >> x1 >> y0;
      |                      ^~
      |                      |
      |                      double (*)(double) noexcept
a.cc:28:22: error: cannot bind rvalue '(void*)y0' to 'void*&'
/usr/include/c++/14/istream:122:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__istream_type& (*)(__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  122 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |       ^~~~~~~~
/usr/include/c++/14/istream:122:7: note:   conversion of argument 1 would be ill-formed:
a.cc:28:22: error: invalid conversion from 'double (*)(double) noexcept' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'} [-fpermissive]
   28 |         cin >> x1 >> y0;
      |                      ^~
      |                      |
      |                      double (*)(double) noexcept
/usr/include/c++/14/istream:126:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>; __ios_