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View Compilation Error

0_0_38603263_11681.cpp: In function 'int main()':
0_0_38603263_11681.cpp:16:17: error: 'w' was not declared in this scope
     scanf("%d",&w);
                 ^
0_0_38603263_11681.cpp:26:27: error: reference to 'data' is ambiguous
             scanf("%lld",&data[i]);
                           ^~~~
In file included from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/string:51,
                 from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/locale_classes.h:40,
                 from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/ios_base.h:41,
                 from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/ios:42,
                 from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/ostream:38,
                 from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/iostream:39,
                 from 0_0_38603263_11681.cpp:2:
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/range_access.h:318:5: note: candidates are: 'template<class _Tp> constexpr const _Tp* std::data(std::initializer_list<_Tp>)'
     data(initializer_list<_Tp> __il) noexcept
     ^~~~
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/range_access.h:309:5: note:                 'template<class _Tp, long long unsigned int _Nm> constexpr _Tp* std::data(_Tp (&)[_Nm])'
     data(_Tp (&__array)[_Nm]) noexcept
     ^~~~
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/range_access.h:299:5: note:                 'template<class _Container> constexpr decltype (__cont.data()) std::data(const _Container&)'
     data(const _Container& __cont) noexcept(noexcept(__cont.data()))
     ^~~~
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/range_access.h:289:5: note:                 'template<class _Container> constexpr decltype (__cont.data()) std::data(_Container&)'
     data(_Container& __cont) noexcept(noexcept(__cont.data()))
     ^~~~
0_0_38603263_11681.cpp:10:4: note:                 'LL data [1000005]'
 LL data[N];
    ^~~~
0_0_38603263_11681.cpp:34:28: error: reference to 'data' is ambiguous
                     b[k^(j*data[i])]+=a[k];
                            ^~~~
In file included from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/string:51,
                 from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/locale_classes.h:40,
                 from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/ios_base.h:41,
                 from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/ios:42,
                 from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/ostream:38,
                 from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/iostream:39,
                 from 0_0_38603263_11681.cpp:2:
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/range_access.h:318:5: note: candidates are: 'template<class _Tp> constexpr const _Tp* std::data(std::initializer_list<_Tp>)'
     data(initializer_list<_Tp> __il) noexcept
     ^~~~
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/range_access.h:309:5: note:                 'template<class _Tp, long long unsigned int _Nm> constexpr _Tp* std::data(_Tp (&)[_Nm])'
     data(_Tp (&__array)[_Nm]) noexcept
     ^~~~
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/range_access.h:299:5: note:                 'template<class _Container> constexpr decltype (__cont.data()) std::data(const _Container&)'
     data(const _Container& __cont) noexcept(noexcept(__cont.data()))
     ^~~~
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/range_access.h:289:5: note:                 'template<class _Container> constexpr decltype (__cont.data()) std::data(_Container&)'
     data(_Container& __cont) noexcept(noexcept(__cont.data()))
     ^~~~
0_0_38603263_11681.cpp:10:4: note:                 'LL data [1000005]'
 LL data[N];
    ^~~~


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