View Compilation Error

0_0_33317533_5927.cpp: In function 'int main()':
0_0_33317533_5927.cpp:22:13: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
    if(find[x]!=find[y])
             ^
0_0_33317533_5927.cpp:22:22: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
    if(find[x]!=find[y])
                      ^
0_0_33317533_5927.cpp:23:13: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
     f[find[y]]=find[x];
             ^
0_0_33317533_5927.cpp:23:22: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
     f[find[y]]=find[x];
                      ^