Mã số Tên bài Trạng thái Điểm Tổng thời gian Bộ nhớ Ngôn ngữ/Kích thước Người nộp Thời điểm nộp
#27016 #385. BNUMMULT - Nhân hai số lớn Compile Error 0 0 ms 0 K C++ 17 / 509 B Tạ Thu Hà 2021-01-30 13:34:09

Tổng hợp thông tin

/sandbox/1/a.cpp: In function 'bint nhan(bint, bint)':
/sandbox/1/a.cpp:11:29: error: no match for 'operator*' (operand types are 'int' and 'bint' {aka 'std::__cxx11::basic_string<char>'})
         nho += (a[i] - '0') * b;
                ~~~~~~~~~~~~~^~~
In file included from /usr/include/c++/8/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/8/x32/bits/stdc++.h:52,
                 from /sandbox/1/a.cpp:1:
/usr/include/c++/8/complex:386:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const std::complex<_Tp>&, const std::complex<_Tp>&)'
     operator*(const complex<_Tp>& __x, const complex<_Tp>& __y)
     ^~~~~~~~
/usr/include/c++/8/complex:386:5: note:   template argument deduction/substitution failed:
/sandbox/1/a.cpp:11:31: note:   mismatched types 'const std::complex<_Tp>' and 'int'
         nho += (a[i] - '0') * b;
                               ^
In file included from /usr/include/c++/8/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/8/x32/bits/stdc++.h:52,
                 from /sandbox/1/a.cpp:1:
/usr/include/c++/8/complex:395:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const std::complex<_Tp>&, const _Tp&)'
     operator*(const complex<_Tp>& __x, const _Tp& __y)
     ^~~~~~~~
/usr/include/c++/8/complex:395:5: note:   template argument deduction/substitution failed:
/sandbox/1/a.cpp:11:31: note:   mismatched types 'const std::complex<_Tp>' and 'int'
         nho += (a[i] - '0') * b;
                               ^
In file included from /usr/include/c++/8/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/8/x32/bits/stdc++.h:52,
                 from /sandbox/1/a.cpp:1:
/usr/include/c++/8/complex:404:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const _Tp&, const std::complex<_Tp>&)'
     operator*(const _Tp& __x, const complex<_Tp>& __y)
     ^~~~~~~~
/usr/include/c++/8/complex:404:5: note:   template argument deduction/substitution failed:
/sandbox/1/a.cpp:11:31: note:   'bint' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::complex<_Tp>'
         nho += (a[i] - '0') * b;
                               ^
In file included from /usr/include/c++/8/valarray:592,
                 from /usr/include/x86_64-linux-gnu/c++/8/x32/bits/stdc++.h:95,
                 from /sandbox/1/a.cpp:1:
/usr/include/c++/8/bits/valarray_after.h:404:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::_BinClos<std::__multiplies, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__multiplies, 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(*, __multiplies)
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/8/bits/valarray_after.h:404:5: note:   template argument deduction/substitution failed:
/sandbox/1/a.cpp:11:31: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
         nho += (a[i] - '0') * b;
                               ^
In file included from /usr/include/c++/8/valarray:592,
                 from /usr/include/x86_64-linux-gnu/c++/8/x32/bits/stdc++.h:95,
                 from /sandbox/1/a.cpp:1:
/usr/include/c++/8/bits/valarray_after.h:404:5: note: candidate: 'template<class _Dom> std::_Expr<std::_BinClos<std::__multiplies, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__multiplies, 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(*, __multiplies)
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/8/bits/valarray_after.h:404:5: note:   template argument deduction/substitution failed:
/sandbox/1/a.cpp:11:31: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
         nho += (a[i] - '0') * b;
                               ^
In file included from /usr/include/c++/8/valarray:592,
                 from /usr/include/x86_64-linux-gnu/c++/8/x32/bits/stdc++.h:95,
                 from /sandbox/1/a.cpp:1:
/usr/include/c++/8/bits/valarray_after.h:404:5: note: candidate: 'template<class _Dom> std::_Expr<std::_BinClos<std::__multiplies, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__multiplies, 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(*, __multiplies)
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/8/bits/valarray_after.h:404:5: note:   template argument deduction/substitution failed:
/sandbox/1/a.cpp:11:31: note:   'bint' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
         nho += (a[i] - '0') * b;
                               ^
In file included from /usr/include/c++/8/valarray:592,
                 from /usr/include/x86_64-linux-gnu/c++/8/x32/bits/stdc++.h:95,
                 from /sandbox/1/a.cpp:1:
/usr/include/c++/8/bits/valarray_after.h:404:5: note: candidate: 'template<class _Dom> std::_Expr<std::_BinClos<std::__multiplies, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__multiplies, 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(*, __multiplies)
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/8/bits/valarray_after.h:404:5: note:   template argument deduction/substitution failed:
/sandbox/1/a.cpp:11:31: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
         nho += (a[i] - '0') * b;
                               ^
In file included from /usr/include/c++/8/valarray:592,
                 from /usr/include/x86_64-linux-gnu/c++/8/x32/bits/stdc++.h:95,
                 from /sandbox/1/a.cpp:1:
/usr/include/c++/8/bits/valarray_after.h:404:5: note: candidate: 'template<class _Dom> std::_Expr<std::_BinClos<std::__multiplies, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__multiplies, typename _Dom1::value_type>::result_type> std::operator*(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
     _DEFINE_EXPR_BINARY_OPERATOR(*, __multiplies)
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/8/bits/valarray_after.h:404:5: note:   template argument deduction/substitution failed:
/sandbox/1/a.cpp:11:31: note:   'bint' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
         nho += (a[i] - '0') * b;
                               ^
In file included from /usr/include/x86_64-linux-gnu/c++/8/x32/bits/stdc++.h:95,
                 from /sandbox/1/a.cpp:1:
/usr/include/c++/8/valarray:1174:1: note: candidate: 'template<class _Tp> std::_Expr<std::_BinClos<std::__multiplies, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__multiplies, _Tp>::result_type> std::operator*(const std::valarray<_Tp>&, const std::valarray<_Tp>&)'
 _DEFINE_BINARY_OPERATOR(*, __multiplies)
 ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/8/valarray:1174:1: note:   template argument deduction/substitution failed:
/sandbox/1/a.cpp:11:31: note:   mismatched types 'const std::valarray<_Tp>' and 'int'
         nho += (a[i] - '0') * b;
                               ^
In file included from /usr/include/x86_64-linux-gnu/c++/8/x32/bits/stdc++.h:95,
                 from /sandbox/1/a.cpp:1:
/usr/include/c++/8/valarray:1174:1: note: candidate: 'template<class _Tp> std::_Expr<std::_BinClos<std::__multiplies, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__multiplies, _Tp>::result_type> std::operator*(const std::valarray<_Tp>&, const _Tp&)'
 _DEFINE_BINARY_OPERATOR(*, __multiplies)
 ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/8/valarray:1174:1: note:   template argument deduction/substitution failed:
/sandbox/1/a.cpp:11:31: note:   mismatched types 'const std::valarray<_Tp>' and 'int'
         nho += (a[i] - '0') * b;
                               ^
In file included from /usr/include/x86_64-linux-gnu/c++/8/x32/bits/stdc++.h:95,
                 from /sandbox/1/a.cpp:1:
/usr/include/c++/8/valarray:1174:1: note: candidate: 'template<class _Tp> std::_Expr<std::_BinClos<std::__multiplies, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__multiplies, _Tp>::result_type> std::operator*(const _Tp&, const std::valarray<_Tp>&)'
 _DEFINE_BINARY_OPERATOR(*, __multiplies)
 ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/8/valarray:1174:1: note:   template argument deduction/substitution failed:
/sandbox/1/a.cpp:11:31: note:   'bint' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::valarray<_Tp>'
         nho += (a[i] - '0') * b;
                               ^
/sandbox/1/a.cpp:8:18: warning: control reaches end of non-void function [-Wreturn-type]
     bint c(n, '0');
                  ^