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View Compilation Error

0_0_20396339_516.cpp: In function 'void dfs(int, int)':
0_0_20396339_516.cpp:9:23: error: 'str' was not declared in this scope
     if(visit[r][c]>0||str[r][c]!='o')
                       ^
0_0_20396339_516.cpp:11:9: error: reference to 'count' is ambiguous
         count++;
         ^
0_0_20396339_516.cpp:4:5: note: candidates are: int count
 int count;
     ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:64,
                 from 0_0_20396339_516.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:3947:5: note:                 template<class _IIter, class _Tp> typename std::iterator_traits<_Iterator>::difference_type std::count(_IIter, _IIter, const _Tp&)
     count(_InputIterator __first, _InputIterator __last, const _Tp& __value)
     ^
0_0_20396339_516.cpp: In function 'int main()':
0_0_20396339_516.cpp:44:9: error: reference to 'count' is ambiguous
         count=0;
         ^
0_0_20396339_516.cpp:4:5: note: candidates are: int count
 int count;
     ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:64,
                 from 0_0_20396339_516.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:3947:5: note:                 template<class _IIter, class _Tp> typename std::iterator_traits<_Iterator>::difference_type std::count(_IIter, _IIter, const _Tp&)
     count(_InputIterator __first, _InputIterator __last, const _Tp& __value)
     ^
0_0_20396339_516.cpp:52:21: error: reference to 'count' is ambiguous
                     count=0;
                     ^
0_0_20396339_516.cpp:4:5: note: candidates are: int count
 int count;
     ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:64,
                 from 0_0_20396339_516.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:3947:5: note:                 template<class _IIter, class _Tp> typename std::iterator_traits<_Iterator>::difference_type std::count(_IIter, _IIter, const _Tp&)
     count(_InputIterator __first, _InputIterator __last, const _Tp& __value)
     ^
0_0_20396339_516.cpp:57:12: error: reference to 'count' is ambiguous
         if(count>=2)
            ^
0_0_20396339_516.cpp:4:5: note: candidates are: int count
 int count;
     ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:64,
                 from 0_0_20396339_516.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:3947:5: note:                 template<class _IIter, class _Tp> typename std::iterator_traits<_Iterator>::difference_type std::count(_IIter, _IIter, const _Tp&)
     count(_InputIterator __first, _InputIterator __last, const _Tp& __value)
     ^


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