Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main(){
  int T;
  cin >> T;
  vector<int> A(T),B(T),C(T),D(T);
  for(int i=0;i<T;i++){
    cin >> A.at(i);
    cin >> B.at(i);
    cin >> C.at(i);
    cin >> D.at(i);}
  int a,b,c,d;
  for(int i=0;i<T;i++){
    a=A.at(i); b=B.at(i); c=C.at(i); d=D.at(i);
    for(int j=0;j<A.at(i);j++){
      a=a-b;
      if(a<=0){
        cout << "No" << endl;
        break;}
      if(a<=c){a=a+d;}
      if(a==A.at(i)){
        #include <bits/stdc++.h>
using namespace std;
 
int main(){
  int T;
  cin >> T;
  vector<int> A(T),B(T),C(T),D(T);
  for(int i=0;i<T;i++){
    cin >> A.at(i);
    cin >> B.at(i);
    cin >> C.at(i);
    cin >> D.at(i);}
  int a,b,c,d;
  for(int i=0;i<T;i++){
    a=A.at(i); b=B.at(i); c=C.at(i); d=D.at(i);
    for(int j=0;j<A.at(i);j++){
      a=a-b;
      if(a<=0){
        cout << "No" << endl;
        break;}
      if(a<=c){a=a+d;}
      if(a==A.at(i)){
        cout << "Yes" << endl;
        break;}
    }
  }
}      
      if(j==A-1){
       #include <bits/stdc++.h>
using namespace std;
 
int main(){
  int T;
  cin >> T;
  vector<int> A(T),B(T),C(T),D(T);
  for(int i=0;i<T;i++){
    cin >> A.at(i);
    cin >> B.at(i);
    cin >> C.at(i);
    cin >> D.at(i);}
  int a,b,c,d;
  for(int i=0;i<T;i++){
    a=A.at(i); b=B.at(i); c=C.at(i); d=D.at(i);
    for(int j=0;j<A.at(i);j++){
      a=a-b;
      if(a<=0){
        cout << "No" << endl;
        break;}
      if(a<=c){a=a+d;}
      if(a==A.at(i)){
        cout << "Yes" << endl;
        break;}
      #include <bits/stdc++.h>
using namespace std;
 
int main(){
  int T;
  cin >> T;
  vector<int> A(T),B(T),C(T),D(T);
  for(int i=0;i<T;i++){
    cin >> A.at(i);
    cin >> B.at(i);
    cin >> C.at(i);
    cin >> D.at(i);}
  int a,b,c,d;
  for(int i=0;i<T;i++){
    a=A.at(i); b=B.at(i); c=C.at(i); d=D.at(i);
    for(int j=0;j<A.at(i);j++){
      a=a-b;
      if(a<=0){
        cout << "No" << endl;
        break;}
      if(a<=c){a=a+d;}
      if(a==A.at(i)){
        cout << "Yes" << endl;
        break;}
      if(j==A.at(i)-1){
        cout << "Yes" << endl;
        break;}
    }
  }
}       

Compiler output:
a.cc: In function 'int main()':
a.cc:26:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   26 | int main(){
      |         ^~
a.cc:26:9: note: remove parentheses to default-initialize a variable
   26 | int main(){
      |         ^~
      |         --
a.cc:26:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:26:11: error: a function-definition is not allowed here before '{' token
   26 | int main(){
      |           ^
a.cc:50:14: error: no match for 'operator-' (operand types are 'std::vector<int>' and 'int')
   50 |       if(j==A-1){
      |             ~^~
      |             | |
      |             | int
      |             std::vector<int>
In file included from /usr/include/c++/14/bits/stl_algobase.h:67,
                 from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_iterator.h:618:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__y.base() - __x.base())) std::operator-(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
  618 |     operator-(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:618:5: note:   template argument deduction/substitution failed:
a.cc:50:15: note:   'std::vector<int>' is not derived from 'const std::reverse_iterator<_Iterator>'
   50 |       if(j==A-1){
      |               ^
/usr/include/c++/14/bits/stl_iterator.h:1790:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__x.base() - __y.base())) std::operator-(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
 1790 |     operator-(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1790:5: note:   template argument deduction/substitution failed:
a.cc:50:15: note:   'std::vector<int>' is not derived from 'const std::move_iterator<_IteratorL>'
   50 |       if(j==A-1){
      |               ^
In file included from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/complex:370:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const complex<_Tp>&, const complex<_Tp>&)'
  370 |     operator-(const complex<_Tp>& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/complex:370:5: note:   template argument deduction/substitution failed:
a.cc:50:15: note:   'std::vector<int>' is not derived from 'const std::complex<_Tp>'
   50 |       if(j==A-1){
      |               ^
/usr/include/c++/14/complex:379:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const complex<_Tp>&, const _Tp&)'
  379 |     operator-(const complex<_Tp>& __x, const _Tp& __y)
      |     ^~~~~~~~
/usr/include/c++/14/complex:379:5: note:   template argument deduction/substitution failed:
a.cc:50:15: note:   'std::vector<int>' is not derived from 'const std::complex<_Tp>'
   50 |       if(j==A-1){
      |               ^
/usr/include/c++/14/complex:388:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const _Tp&, const complex<_Tp>&)'
  388 |     operator-(const _Tp& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/complex:388:5: note:   template argument deduction/substitution failed:
a.cc:50:15: note:   mismatched types 'const std::complex<_Tp>' and 'int'
   50 |       if(j==A-1){
      |               ^
/usr/include/c++/14/complex:465:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const complex<_Tp>&)'
  465 |     operator-(const complex<_Tp>& __x)
      |     ^~~~~~~~
/usr/include/c++/14/complex:465:5: note:   candidate expects 1 argument, 2 provided
In file included from /usr/include/c++/14/valarray:605,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:166:
/usr/include/c++/14/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const _Expr<_Dom1, typename _Dom1::value_type>&, const _Expr<_Dom2, typename _Dom2::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
a.cc:50:15: note:   'std::vector<int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   50 |       if(j==A-1){
      |               ^
/usr/include/c++/14/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const _Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
a.cc:50:15: note:   'std::vector<int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   50 |       if(j==A-1){
      |               ^
/usr/include/c++/14/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const typename _Dom::value_type&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
a.cc:50:15: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
   50 |       if(j==A-1){
      |               ^
/usr/include/c++/14/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const _Expr<_Dom1, typename _Dom1::value_type>&, const valarray<typename _Dom::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
a.cc:50:15: note:   'std::vector<int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   50 |       if(j==A-1){
      |               ^
/usr/include/c++/14/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const valarray<typename _Dom::value_type>&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
a.cc:50:15: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
   50 |       if(j==A-1){
      |               ^
/usr/include/c++/14/valarray:1197:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const valarray<_Tp>&, const valarray<_Tp>&)'
 1197 | _DEFINE_BINARY_OPERATOR(-, __minus)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/valarray:1197:1: note:   template argument deduction/substitution failed:
a.cc:50:15: note:   'std::vector<int>' is not derived from 'const std::valarray<_Tp>'
   50 |       if(j==A-1){
      |               ^
/usr/include/c++/14/valarray:1197:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const valarray<_Tp>&, const typename valarray<_Tp>::value_type&)'
 1197 | _DEFINE_BINARY_OPERATOR(-, __minus)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/valarray:1197:1: note:   template argument deduction/substitution failed:
a.cc:50:15: note:   'std::vector<int>' is not derived from 'const std::valarray<_Tp>'
   50 |       if(j==A-1){
      |               ^
/usr/include/c++/14/valarray:1197:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const typename valarray<_Tp>::value_type&, const valarray<_Tp>&)'
 1197 | _DEFINE_BINARY_OPERATOR(-, __minus)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/valarray:1197:1: note:   template argument deduction/substitution failed:
a.cc:50:15: note:   mismatched types 'const std::valarray<_Tp>' and 'int'
   50 |       if(j==A-1){
      |               ^
a.cc:54:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   54 | int main(){
      |         ^~
a.cc:54:9: note: remove parentheses to default-initialize a variable
   54 | int main(){
      |         ^~
      |         --
a.cc:54:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:54:11: error: a function-definition is not allowed here before '{' token
   54 | int main(){
      |           ^
a.cc:104:2: error: expected '}' at end of input
  104 | }
      |  ^
a.cc:50:17: note: to match this '{'
   50 |       if(j==A-1){
      |                 ^
a.cc:104:2: error: expected '}' at end of input
  104 | }