Language: C++

#include<bits/stdc++.h>
using namespace std;
int main() {
	int n, a, b, ans = 0;
	cin >> n >> a >> b;
	for (int i = 1; i <= n; i++) {
		if (a <= i / 10000 + i % 10000 / 1000 + i % 1000 / 100 + i % 100 / 10 + i % 10 && i / 10000 + i % 10000i / 1000 + i % 1000 / 100 + i % 100 / 10 + i % 10 <= b) {
			ans += i;
		}
	}
	cout << ans << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:113: error: no match for 'operator%' (operand types are 'int' and 'std::complex<double>')
    7 |                 if (a <= i / 10000 + i % 10000 / 1000 + i % 1000 / 100 + i % 100 / 10 + i % 10 && i / 10000 + i % 10000i / 1000 + i % 1000 / 100 + i % 100 / 10 + i % 10 <= b) {
      |                                                                                                               ~ ^ ~~~~~~
      |                                                                                                               |   |
      |                                                                                                               int std::complex<double>
In file included from /usr/include/c++/14/valarray:605,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:166,
                 from a.cc:1:
/usr/include/c++/14/bits/valarray_after.h:409:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__modulus, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__modulus, typename _Dom1::value_type>::result_type> std::operator%(const _Expr<_Dom1, typename _Dom1::value_type>&, const _Expr<_Dom2, typename _Dom2::value_type>&)'
  409 |     _DEFINE_EXPR_BINARY_OPERATOR(%, struct std::__modulus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:409:5: note:   template argument deduction/substitution failed:
a.cc:7:115: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
    7 |                 if (a <= i / 10000 + i % 10000 / 1000 + i % 1000 / 100 + i % 100 / 10 + i % 10 && i / 10000 + i % 10000i / 1000 + i % 1000 / 100 + i % 100 / 10 + i % 10 <= b) {
      |                                                                                                                   ^~~~~~
/usr/include/c++/14/bits/valarray_after.h:409:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__modulus, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__modulus, typename _Dom1::value_type>::result_type> std::operator%(const _Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
  409 |     _DEFINE_EXPR_BINARY_OPERATOR(%, struct std::__modulus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:409:5: note:   template argument deduction/substitution failed:
a.cc:7:115: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
    7 |                 if (a <= i / 10000 + i % 10000 / 1000 + i % 1000 / 100 + i % 100 / 10 + i % 10 && i / 10000 + i % 10000i / 1000 + i % 1000 / 100 + i % 100 / 10 + i % 10 <= b) {
      |                                                                                                                   ^~~~~~
/usr/include/c++/14/bits/valarray_after.h:409:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__modulus, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__modulus, typename _Dom1::value_type>::result_type> std::operator%(const typename _Dom::value_type&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
  409 |     _DEFINE_EXPR_BINARY_OPERATOR(%, struct std::__modulus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:409:5: note:   template argument deduction/substitution failed:
a.cc:7:115: note:   'std::complex<double>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
    7 |                 if (a <= i / 10000 + i % 10000 / 1000 + i % 1000 / 100 + i % 100 / 10 + i % 10 && i / 10000 + i % 10000i / 1000 + i % 1000 / 100 + i % 100 / 10 + i % 10 <= b) {
      |                                                                                                                   ^~~~~~
/usr/include/c++/14/bits/valarray_after.h:409:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__modulus, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__modulus, typename _Dom1::value_type>::result_type> std::operator%(const _Expr<_Dom1, typename _Dom1::value_type>&, const valarray<typename _Dom::value_type>&)'
  409 |     _DEFINE_EXPR_BINARY_OPERATOR(%, struct std::__modulus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:409:5: note:   template argument deduction/substitution failed:
a.cc:7:115: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
    7 |                 if (a <= i / 10000 + i % 10000 / 1000 + i % 1000 / 100 + i % 100 / 10 + i % 10 && i / 10000 + i % 10000i / 1000 + i % 1000 / 100 + i % 100 / 10 + i % 10 <= b) {
      |                                                                                                                   ^~~~~~
/usr/include/c++/14/bits/valarray_after.h:409:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__modulus, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__modulus, typename _Dom1::value_type>::result_type> std::operator%(const valarray<typename _Dom::value_type>&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
  409 |     _DEFINE_EXPR_BINARY_OPERATOR(%, struct std::__modulus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:409:5: note:   template argument deduction/substitution failed:
a.cc:7:115: note:   'std::complex<double>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
    7 |                 if (a <= i / 10000 + i % 10000 / 1000 + i % 1000 / 100 + i % 100 / 10 + i % 10 && i / 10000 + i % 10000i / 1000 + i % 1000 / 100 + i % 100 / 10 + i % 10 <= b) {
      |                                                                                                                   ^~~~~~
/usr/include/c++/14/valarray:1200:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__modulus, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__modulus, _Tp>::result_type> std::operator%(const valarray<_Tp>&, const valarray<_Tp>&)'
 1200 | _DEFINE_BINARY_OPERATOR(%, __modulus)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/valarray:1200:1: note:   template argument deduction/substitution failed:
a.cc:7:115: note:   mismatched types 'const std::valarray<_Tp>' and 'int'
    7 |                 if (a <= i / 10000 + i % 10000 / 1000 + i % 1000 / 100 + i % 100 / 10 + i % 10 && i / 10000 + i % 10000i / 1000 + i % 1000 / 100 + i % 100 / 10 + i % 10 <= b) {
      |                                                                                                                   ^~~~~~
/usr/include/c++/14/valarray:1200:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__modulus, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__modulus, _Tp>::result_type> std::operator%(const valarray<_Tp>&, const typename valarray<_Tp>::value_type&)'
 1200 | _DEFINE_BINARY_OPERATOR(%, __modulus)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/valarray:1200:1: note:   template argument deduction/substitution failed:
a.cc:7:115: note:   mismatched types 'const std::valarray<_Tp>' and 'int'
    7 |                 if (a <= i / 10000 + i % 10000 / 1000 + i % 1000 / 100 + i % 100 / 10 + i % 10 && i / 10000 + i % 10000i / 1000 + i % 1000 / 100 + i % 100 / 10 + i % 10 <= b) {
      |                                                                                                                   ^~~~~~
/usr/include/c++/14/valarray:1200:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__modulus, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__modulus, _Tp>::result_type> std::operator%(const typename valarray<_Tp>::value_type&, const valarray<_Tp>&)'
 1200 | _DEFINE_BINARY_OPERATOR(%, __modulus)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/valarray:1200:1: note:   template argument deduction/substitution failed:
a.cc:7:115: note:   'std::complex<double>' is not derived from 'const std::valarray<_Tp>'
    7 |                 if (a <= i / 10000 + i % 10000 / 1000 + i % 1000 / 100 + i % 100 / 10 + i % 10 && i / 10000 + i % 10000i / 1000 + i % 1000 / 100 + i % 100 / 10 + i % 10 <= b) {
      |                                                                                                                   ^~~~~~