Eroare de compilare: main.cpp: In function 'void convex_hull(std::vector<pt>&, bool)': main.cpp:55:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<pt>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | if (i == a.size() - 1 || cw(p1, a[i], p2, include_collinear)) { | ~~^~~~~~~~~~~~~~~ main.cpp:60:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<pt>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | if (i == a.size() - 1 || ccw(p1, a[i], p2, include_collinear)) { | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'std::pair<long double, long double> eq(pt, pt)': main.cpp:97:67: error: no matching function for call to 'max(long double, double)' 97 | (p2.y-p1.y)/(sign(p2.x-p1.x)*max(abs(p2.x-p1.x), 1e-25)), | ^ In file included from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from main.cpp:1: /usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)' 254 | max(const _Tp& __a, const _Tp& __b) | ^~~ /usr/include/c++/10/bits/stl_algobase.h:254:5: note: template argument deduction/substitution failed: main.cpp:97:67: note: deduced conflicting types for parameter 'const _Tp' ('long double' and 'double') 97 | (p2.y-p1.y)/(sign(p2.x-p1.x)*max(abs(p2.x-p1.x), 1e-25)), | ^ In file included from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from main.cpp:1: /usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)' 300 | max(const _Tp& __a, const _Tp& __b, _Compare __comp) | ^~~ /usr/include/c++/10/bits/stl_algobase.h:300:5: note: template argument deduction/substitution failed: main.cpp:97:67: note: deduced conflicting types for parameter 'const _Tp' ('long double' and 'double') 97 | (p2.y-p1.y)/(sign(p2.x-p1.x)*max(abs(p2.x-p1.x), 1e-25)), | ^ In file included from /usr/include/c++/10/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65, from main.cpp:1: /usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)' 3480 | max(initializer_list<_Tp> __l) | ^~~ /usr/include/c++/10/bits/stl_algo.h:3480:5: note: template argument deduction/substitution failed: main.cpp:97:67: note: mismatched types 'std::initializer_list<_Tp>' and 'long double' 97 | (p2.y-p1.y)/(sign(p2.x-p1.x)*max(abs(p2.x-p1.x), 1e-25)), Non zero exit status: 1