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View Compilation Error

0_0_33283431_10708.cpp: In function 'int main()':
0_0_33283431_10708.cpp:58:18: error: no match for 'operator=' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::vector<long long int> > >::value_type {aka std::vector<long long int>}' and 'int')
             B[0] = 3;
                  ^
0_0_33283431_10708.cpp:58:18: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:69:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/random.h:34,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:49,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:64,
                 from 0_0_33283431_10708.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/vector.tcc:167:5: note: std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(const std::vector<_Tp, _Alloc>&) [with _Tp = long long int; _Alloc = std::allocator<long long int>]
     vector<_Tp, _Alloc>::
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/vector.tcc:167:5: note:   no known conversion for argument 1 from 'int' to 'const std::vector<long long int>&'
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/random.h:34,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:49,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:64,
                 from 0_0_33283431_10708.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:448:7: note: std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::vector<_Tp, _Alloc>&&) [with _Tp = long long int; _Alloc = std::allocator<long long int>]
       operator=(vector&& __x) noexcept(_Alloc_traits::_S_nothrow_move())
       ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:448:7: note:   no known conversion for argument 1 from 'int' to 'std::vector<long long int>&&'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:470:7: note: std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::initializer_list<_Tp>) [with _Tp = long long int; _Alloc = std::allocator<long long int>]
       operator=(initializer_list<value_type> __l)
       ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:470:7: note:   no known conversion for argument 1 from 'int' to 'std::initializer_list<long long int>'
0_0_33283431_10708.cpp:59:18: error: no match for 'operator=' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::vector<long long int> > >::value_type {aka std::vector<long long int>}' and 'int')
             B[1] = 4;
                  ^
0_0_33283431_10708.cpp:59:18: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:69:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/random.h:34,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:49,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:64,
                 from 0_0_33283431_10708.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/vector.tcc:167:5: note: std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(const std::vector<_Tp, _Alloc>&) [with _Tp = long long int; _Alloc = std::allocator<long long int>]
     vector<_Tp, _Alloc>::
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/vector.tcc:167:5: note:   no known conversion for argument 1 from 'int' to 'const std::vector<long long int>&'
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/random.h:34,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:49,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:64,
                 from 0_0_33283431_10708.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:448:7: note: std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::vector<_Tp, _Alloc>&&) [with _Tp = long long int; _Alloc = std::allocator<long long int>]
       operator=(vector&& __x) noexcept(_Alloc_traits::_S_nothrow_move())
       ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:448:7: note:   no known conversion for argument 1 from 'int' to 'std::vector<long long int>&&'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:470:7: note: std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::initializer_list<_Tp>) [with _Tp = long long int; _Alloc = std::allocator<long long int>]
       operator=(initializer_list<value_type> __l)
       ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:470:7: note:   no known conversion for argument 1 from 'int' to 'std::initializer_list<long long int>'
0_0_33283431_10708.cpp:60:18: error: no match for 'operator=' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::vector<long long int> > >::value_type {aka std::vector<long long int>}' and 'int')
             B[2] = 6;
                  ^
0_0_33283431_10708.cpp:60:18: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:69:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/random.h:34,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:49,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:64,
                 from 0_0_33283431_10708.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/vector.tcc:167:5: note: std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(const std::vector<_Tp, _Alloc>&) [with _Tp = long long int; _Alloc = std::allocator<long long int>]
     vector<_Tp, _Alloc>::
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/vector.tcc:167:5: note:   no known conversion for argument 1 from 'int' to 'const std::vector<long long int>&'
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/random.h:34,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:49,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:64,
                 from 0_0_33283431_10708.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:448:7: note: std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::vector<_Tp, _Alloc>&&) [with _Tp = long long int; _Alloc = std::allocator<long long int>]
       operator=(vector&& __x) noexcept(_Alloc_traits::_S_nothrow_move())
       ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:448:7: note:   no known conversion for argument 1 from 'int' to 'std::vector<long long int>&&'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:470:7: note: std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::initializer_list<_Tp>) [with _Tp = long long int; _Alloc = std::allocator<long long int>]
       operator=(initializer_list<value_type> __l)
       ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:470:7: note:   no known conversion for argument 1 from 'int' to 'std::initializer_list<long long int>'
0_0_33283431_10708.cpp:61:42: error: invalid initialization of non-const reference of type 'mat& {aka std::vector<std::vector<long long int> >&}' from an rvalue of type 'mat {aka std::vector<std::vector<long long int> >}'
             mat C = mult(Qmult(A, n-1), B);
                                          ^
0_0_33283431_10708.cpp:11:5: note: in passing argument 1 of 'mat mult(mat&, mat&)'
 mat mult(mat &A, mat &B)
     ^
0_0_33283431_10708.cpp:62:24: error: cannot bind 'std::ostream {aka std::basic_ostream<char>}' lvalue to 'std::basic_ostream<char>&&'
             cout << C[0] << endl;
                        ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:39:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
                 from D:/H


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