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View Compilation Error

0_0_33741363_14866.cpp:5:10: error: conflicting declaration 'int d'
 int flag,d,u;
          ^
0_0_33741363_14866.cpp:4:5: note: previous declaration as 'int d [8][2]'
 int d[8][2]={-1,1,0,1,1,1,-1,0,1,0,-1,-1,0,-1,1,-1};
     ^
0_0_33741363_14866.cpp: In function 'void dfs(ll, ll)':
0_0_33741363_14866.cpp:29:3: error: incompatible types in assignment of 'int' to 'int [8][2]'
  d+=dd;
   ^
0_0_33741363_14866.cpp: In function 'int main()':
0_0_33741363_14866.cpp:45:4: error: incompatible types in assignment of 'int' to 'int [8][2]'
   d=1;
    ^
0_0_33741363_14866.cpp:54:7: error: lvalue required as increment operand
      d++;
       ^
0_0_33741363_14866.cpp:70:20: error: no matching function for call to '__gcd(int&, int [8][2])'
    int kk=__gcd(u,d);
                    ^
0_0_33741363_14866.cpp:70:20: note: candidate is:
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_33741363_14866.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1229:5: note: template<class _EuclideanRingElement> _EuclideanRingElement std::__gcd(_EuclideanRingElement, _EuclideanRingElement)
     __gcd(_EuclideanRingElement __m, _EuclideanRingElement __n)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1229:5: note:   template argument deduction/substitution failed:
0_0_33741363_14866.cpp:70:20: note:   deduced conflicting types for parameter '_EuclideanRingElement' ('int' and 'int (*)[2]')
    int kk=__gcd(u,d);
                    ^
0_0_33741363_14866.cpp:72:5: error: invalid operands of types 'int [8][2]' and 'int' to binary 'operator/'
    d/=kk;
     ^
0_0_33741363_14866.cpp:72:5: error:   in evaluation of 'operator/=(int [8][2], int)'


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