View Compilation Error

0_0_39079892_30369.cpp: In function 'int main()':
0_0_39079892_30369.cpp:27:36: error: reference to 'hash' is ambiguous
   27 |                                 it=hash(j*l+i,(j+1)*l+i-1);
      |                                    ^~~~
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/string_view:42,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/basic_string.h:47,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/string:54,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bitset:52,
                 from .\stdc++.h:52:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/functional_hash.h:59:12: note: candidates are: 'template<class _Tp> struct std::hash'
   59 |     struct hash;
      |            ^~~~
0_0_39079892_30369.cpp:7:5: note:                 'long long unsigned int hash(long long unsigned int, long long unsigned int)'
    7 | ull hash(ull l ,ull r){
      |     ^~~~