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Compile Error

flamethrower_ex.cpp: In function ‘int main()’:
flamethrower_ex.cpp:28:26: error: no matching function for call to ‘max(long long int&, int)’
28 | cost=max(cost,max(cur,0));
| ^
In file included from /usr/include/c++/9/bits/char_traits.h:39,
from /usr/include/c++/9/ios:40,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from flamethrower_ex.cpp:1:
/usr/include/c++/9/bits/stl_algobase.h:222:5: note: candidate: ‘template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)’
222 | max(const _Tp& __a, const _Tp& __b)
| ^~~
/usr/include/c++/9/bits/stl_algobase.h:222:5: note: template argument deduction/substitution failed:
flamethrower_ex.cpp:28:26: note: deduced conflicting types for parameter ‘const _Tp’ (‘long long int’ and ‘int’)
28 | cost=max(cost,max(cur,0));
|