Compilare: main.cpp: In function 'void normalizam()': main.cpp:137:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Point>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 137 | for(int i=0;i<a.size();i++){ | ~^~~~~~~~~ main.cpp:144:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Point>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 144 | for(int i=0;i<a.size();i++){ | ~^~~~~~~~~ main.cpp: In function 'void solve()': main.cpp:163:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Point>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 163 | for(int i=0;i < a.size();i++){ | ~~^~~~~~~~~~ main.cpp:173:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Segment>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 173 | for(int j = 0;j < segs.size();j++){ | ~~^~~~~~~~~~~~~ main.cpp:186:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Point>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 186 | for(int i=0;i<a.size();i++){ | ~^~~~~~~~~ In constructor 'Segment::Segment(Point, Point)', inlined from 'void solve()' at main.cpp:213:33: main.cpp:76:12: warning: 'mid.Point::idx' may be used uninitialized [-Wmaybe-uninitialized] 76 | p2 = x2; | ~~~^~~~ main.cpp: In function 'void solve()': main.cpp:192:21: note: 'mid.Point::idx' was declared here 192 | Point le,ri,mid; | ^~~ In file included from /usr/include/c++/12.2.1/bits/stl_pair.h:65, from /usr/include/c++/12.2.1/bits/stl_algobase.h:64, from /usr/include/c++/12.2.1/bits/specfun.h:45, from /usr/include/c++/12.2.1/cmath:1935, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:41, from main.cpp:1: In member function 'constexpr auto std::__detail::_Synth3way::operator()(const _Tp&, const _Up&) const requires requires{{std::__detail::_Synth3way::operator()::__t < std::__detail::_Synth3way::operator()::__u} -> decltype(auto) [requires std::__detail::__boolean_testable<<placeholder>, >];{std::__detail::_Synth3way::operator()::__u < std::__detail::_Synth3way::operator()::__t} -> decltype(auto) [requires std::__detail::__boolean_testable<<placeholder>, >];} [with _Tp = int; _Up = int]', inlined from 'constexpr std::common_comparison_category_t<decltype (std::__detail::__synth3way(declval<_T1&>(), declval<_T1&>())), decltype (std::__detail::__synth3way(declval<_T2&>(), declval<_T2&>()))> std::operator<=>(const pair<_T1, _T2>&, const pair<_T1, _T2>&) [with _T1 = int; _T2 = int]' at /usr/include/c++/12.2.1/bits/stl_pair.h:651:35, inlined from 'constexpr std::common_comparison_category_t<decltype (std::__detail::__synth3way(declval<_T1&>(), declval<_T1&>())), decltype (std::__detail::__synth3way(declval<_T2&>(), declval<_T2&>()))> std::operator<=>(const pair<_T1, _T2>&, const pair<_T1, _T2>&) [with _T1 = int; _T2 = int]' at /usr/include/c++/12.2.1/bits/stl_pair.h:647:5, inlined from 'bool Point::operator<(const Point&) const' at main.cpp:54:31, inlined from 'Segment::Segment(Point, Point)' at main.cpp:70:15, inlined from 'void solve()' at main.cpp:213:33: /usr/include/c++/12.2.1/compare:1220:28: warning: 'mid.Point::y' may be used uninitialized [-Wmaybe-uninitialized] 1220 | return __t <=> __u; | ^~~ main.cpp: In function 'void solve()': main.cpp:192:21: note: 'mid.Point::y' was declared here 192 | Point le,ri,mid; | ^~~ In function 'long long int CP(const Point&, const Point&, const Point&)', inlined from 'void solve()' at main.cpp:209:25: main.cpp:106:61: warning: 'mid.Point::x' may be used uninitialized [-Wmaybe-uninitialized] 106 | return 1ll * p1.x * p2.y + 1ll * p2.x * p3.y + 1ll * p3.x * p1.y - 1ll * p2.y * p3.x - 1ll * p3.y * p1.x - 1ll * p1.y * p2.x; | ~~~^