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View Compilation Error

0_0_38620905_30222.cpp: In function 'void dfs(int, int)':
0_0_38620905_30222.cpp:47:26: error: no matching function for call to 'max(int, long long int)'
   ma = max(j.b - j.a, 0ll);
                          ^
In file included from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/specfun.h:45,
                 from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/cmath:1892,
                 from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/x86_64-w64-mingw32/bits/stdc++.h:41,
                 from 0_0_38620905_30222.cpp:1:
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/stl_algobase.h:219:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
     max(const _Tp& __a, const _Tp& __b)
     ^~~
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/stl_algobase.h:219:5: note:   template argument deduction/substitution failed:
0_0_38620905_30222.cpp:47:26: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   ma = max(j.b - j.a, 0ll);
                          ^
In file included from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/specfun.h:45,
                 from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/cmath:1892,
                 from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/x86_64-w64-mingw32/bits/stdc++.h:41,
                 from 0_0_38620905_30222.cpp:1:
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/stl_algobase.h:265:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
     ^~~
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/stl_algobase.h:265:5: note:   template argument deduction/substitution failed:
0_0_38620905_30222.cpp:47:26: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   ma = max(j.b - j.a, 0ll);
                          ^
In file included from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/algorithm:62,
                 from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/x86_64-w64-mingw32/bits/stdc++.h:65,
                 from 0_0_38620905_30222.cpp:1:
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/stl_algo.h:3462:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
     max(initializer_list<_Tp> __l)
     ^~~
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/stl_algo.h:3462:5: note:   template argument deduction/substitution failed:
0_0_38620905_30222.cpp:47:26: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   ma = max(j.b - j.a, 0ll);
                          ^
In file included from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/algorithm:62,
                 from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/x86_64-w64-mingw32/bits/stdc++.h:65,
                 from 0_0_38620905_30222.cpp:1:
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/stl_algo.h:3468:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
     max(initializer_list<_Tp> __l, _Compare __comp)
     ^~~
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/stl_algo.h:3468:5: note:   template argument deduction/substitution failed:
0_0_38620905_30222.cpp:47:26: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   ma = max(j.b - j.a, 0ll);
                          ^


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