Eroare de compilare: main.cpp: In member function 'int Solver::Solve()': main.cpp:97:22: error: no match for 'operator&&' (operand types are 'int' and 'ModInt<long long int, 1000000007ll>') if (prev_set && last_dp_0) { ~~~~~~~~~^~~~~~~~~~~~ main.cpp:97:22: note: candidate: operator&&(bool, bool) <built-in> main.cpp:97:22: note: no known conversion for argument 2 from 'ModInt<long long int, 1000000007ll>' to 'bool' In file included from /usr/include/c++/6/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:95, from main.cpp:1: /usr/include/c++/6/bits/valarray_after.h:412:5: note: candidate: template<class _Dom1, class _Dom2> std::_Expr<std::_BinClos<std::__logical_and, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__logical_and, typename _Dom1::value_type>::result_type> std::operator&&(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(&&, __logical_and) ^ /usr/include/c++/6/bits/valarray_after.h:412:5: note: template argument deduction/substitution failed: main.cpp:97:25: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int' if (prev_set && last_dp_0) { ^~~~~~~~~ In file included from /usr/include/c++/6/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:95, from main.cpp:1: /usr/include/c++/6/bits/valarray_after.h:412:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__logical_and, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__logical_and, typename _Dom1::value_type>::result_type> std::operator&&(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&) _DEFINE_EXPR_BINARY_OPERATOR(&&, __logical_and) ^ /usr/include/c++/6/bits/valarray_after.h:412:5: note: template argument deduction/substitution failed: main.cpp:97:25: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int' if (prev_set && last_dp_0) { ^~~~~~~~~ In file included from /usr/include/c++/6/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:95, from main.cpp:1: /usr/include/c++/6/bits/valarray_after.h:412:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__logical_and, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__logical_and, typename _Dom1::value_type>::result_type> std::operator&&(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(&&, __logical_and) ^ /usr/include/c++/6/bits/valarray_after.h:412:5: note: template argument deduction/substitution failed: main.cpp:97:25: note: 'ModInt<long long int, 1000000007ll>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>' if (prev_set && last_dp_0) { ^~~~~~~~~ In file included from /usr/include/c++/6/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:95, from main.cpp:1: /usr/include/c++/6/bits/valarray_after.h:412:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__logical_and, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__logical_and, typename _Dom1::value_type>::result_type> std::operator&&(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(&&, __logical_and) ^ /usr/include/c++/6/bits/valarray_after.h:412:5: note: template argument deduction/substitution failed: main.cpp:97:25: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int' if (prev_set && last_dp_0) { ^~~~~~~~~ In file included from /usr/include/c++/6/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:95, from main.cpp:1: /usr/include/c++/6/bits/valarray_after.h:412:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__logical_and, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__logical_and, typename _Dom1::value_type>::result_type> std::operator&&(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&) Non zero exit status: 1