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View Compilation Error

0_0_39680794_32173.cpp: In function 'int Union(int, int)':
0_0_39680794_32173.cpp:16:10: error: reference to 'rank' is ambiguous
   16 |       if(rank[fa]>rank[fb]){
      |          ^~~~
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_39680794_32173.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_39680794_32173.cpp:7:5: note:                 'int rank [10005]'
    7 | int rank[10005];
      |     ^~~~
0_0_39680794_32173.cpp:16:19: error: reference to 'rank' is ambiguous
   16 |       if(rank[fa]>rank[fb]){
      |                   ^~~~
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_39680794_32173.cpp:7:5: note:                 'int rank [10005]'
    7 | int rank[10005];
      |     ^~~~
0_0_39680794_32173.cpp:18:10: error: reference to 'rank' is ambiguous
   18 |          rank[fa]+=rank[fb]+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_39680794_32173.cpp:7:5: note:                 'int rank [10005]'
    7 | int rank[10005];
      |     ^~~~
0_0_39680794_32173.cpp:18:20: error: reference to 'rank' is ambiguous
   18 |          rank[fa]+=rank[fb]+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_39680794_32173.cpp:7:5: note:                 'int rank [10005]'
    7 | int rank[10005];
      |     ^~~~
0_0_39680794_32173.cpp:22:10: error: reference to 'rank' is ambiguous
   22 |          rank[fb]+=rank[fa]+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_39680794_32173.cpp:7:5: note:                 'int rank [10005]'
    7 | int rank[10005];
      |     ^~~~
0_0_39680794_32173.cpp:22:20: error: reference to 'rank' is ambiguous
   22 |          rank[fb]+=rank[fa]+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_39680794_32173.cpp:7:5: note:                 'int rank [10005]'
    7 | int rank[10005];
      |     ^~~~
0_0_39680794_32173.cpp: In function 'int main()':
0_0_39680794_32173.cpp:118:15: error: reference to 'rank' is ambiguous
  118 |        memset(rank, 0, sizeof(int)*(n+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_39680794_32173.cpp:7:5: note:                 'int rank [10005]'
    7 | int rank[10005];
      |     ^~~~


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