Language: C++

#include "bits/stdc++.h"

int main() {
	long long A, V;
	long long B, W;
	long long T;
	cin >> A >> V >> B >> W >> T;
	if (V == W && T != 1) {
		cout << "NO" << endl;
		return 0;
	}
	for (long long i = 0; i < T; i++) {
		A += V;
		B += W;
		if (A == B) {
			cout << "YES" << endl;
			return 0;
		}
		if (!((-10^9) <= A || (-10 ^ 9) <= B)) {
			cout << "NO" << endl;
			return 0;
		}
		if (!((10^9) >= A || (10^9) >= B)) {
			cout << "NO" << endl;
			return 0;
		}
	}
	cout << "NO" << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    7 |         cin >> A >> V >> B >> W >> T;
      |         ^~~
      |         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:9:17: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    9 |                 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:9:33: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    9 |                 cout << "NO" << 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:16:25: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   16 |                         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:16:42: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   16 |                         cout << "YES" << endl;
      |                                          ^~~~
      |                                          std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:20:25: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   20 |                         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:20:41: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   20 |                         cout << "NO" << endl;
      |                                         ^~~~
      |                                         std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:23:26: warning: result of '10^9' is 3; did you mean '1e9'? [-Wxor-used-as-pow]
   23 |                 if (!((10^9) >= A || (10^9) >= B)) {
      |                          ^
      |                        ---
      |                        1e
a.cc:23:24: note: you can silence this warning by using a hexadecimal constant (0xa rather than 10)
   23 |                 if (!((10^9) >= A || (10^9) >= B)) {
      |                        ^~
      |                        0xa
a.cc:23:41: warning: result of '10^9' is 3; did you mean '1e9'? [-Wxor-used-as-pow]
   23 |                 if (!((10^9) >= A || (10^9) >= B)) {
      |                                         ^
      |                                       ---
      |                                       1e
a.cc:23:39: note: you can silence this warning by using a hexadecimal constant (0xa rather than 10)
   23 |                 if (!((10^9) >= A || (10^9) >= B)) {
      |                                       ^~
      |                                       0xa
a.cc:24:25: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   24 |                         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:24:41: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   24 |                         cout << "NO" << endl;
      |                                         ^~~~
      |                                         std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:28:9: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   28 |         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:28:25: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   28 |         cout << "NO" << endl;
      |                         ^~~~
      |                         std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~