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View Compilation Error

0_0_39836313_2964.cpp: In function 'void merge(int, int)':
0_0_39836313_2964.cpp:26:12: error: reference to 'rank' is ambiguous
   26 |         if(rank[rootx]>rank[rooty])
      |            ^~~~
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/move.h:57,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/exception_ptr.h:41,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/exception:164,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/ios:41,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/ostream:40,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/iostream:41,
                 from 0_0_39836313_2964.cpp:1:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/type_traits:1356:12: note: candidates are: 'template<class> struct std::rank'
 1356 |     struct rank
      |            ^~~~
0_0_39836313_2964.cpp:9:5: note:                 'int rank [1005]'
    9 | int rank[1005];
      |     ^~~~
0_0_39836313_2964.cpp:26:24: error: reference to 'rank' is ambiguous
   26 |         if(rank[rootx]>rank[rooty])
      |                        ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/type_traits:1356:12: note: candidates are: 'template<class> struct std::rank'
 1356 |     struct rank
      |            ^~~~
0_0_39836313_2964.cpp:9:5: note:                 'int rank [1005]'
    9 | int rank[1005];
      |     ^~~~
0_0_39836313_2964.cpp:30:17: error: reference to 'rank' is ambiguous
   30 |         else if(rank[rootx]<rank[rooty])
      |                 ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/type_traits:1356:12: note: candidates are: 'template<class> struct std::rank'
 1356 |     struct rank
      |            ^~~~
0_0_39836313_2964.cpp:9:5: note:                 'int rank [1005]'
    9 | int rank[1005];
      |     ^~~~
0_0_39836313_2964.cpp:30:29: error: reference to 'rank' is ambiguous
   30 |         else if(rank[rootx]<rank[rooty])
      |                             ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/type_traits:1356:12: note: candidates are: 'template<class> struct std::rank'
 1356 |     struct rank
      |            ^~~~
0_0_39836313_2964.cpp:9:5: note:                 'int rank [1005]'
    9 | int rank[1005];
      |     ^~~~
0_0_39836313_2964.cpp:37:15: error: reference to 'rank' is ambiguous
   37 |             ++rank[rootx];
      |               ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/type_traits:1356:12: note: candidates are: 'template<class> struct std::rank'
 1356 |     struct rank
      |            ^~~~
0_0_39836313_2964.cpp:9:5: note:                 'int rank [1005]'
    9 | int rank[1005];
      |     ^~~~
0_0_39836313_2964.cpp: In function 'void result()':
0_0_39836313_2964.cpp:67:21: error: reference to 'rank' is ambiguous
   67 |                     rank[j]=0;
      |                     ^~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/type_traits:1356:12: note: candidates are: 'template<class> struct std::rank'
 1356 |     struct rank
      |            ^~~~
0_0_39836313_2964.cpp:9:5: note:                 'int rank [1005]'
    9 | int rank[1005];
      |     ^~~~


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