Eroare de compilare: main.cpp: In function 'bool validState()': main.cpp:62:25: warning: comparison of integer expressions of different signedness: 'short int' and 'std::vector<short int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | for (short i = 0; i < pnt_arr.size() - 1; i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:91:5: error: reference to 'cin' is ambiguous 91 | cin.tie(NULL); | ^~~ In file included from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:75, from main.cpp:1: /usr/include/c++/12.2.1/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:5:13: note: 'std::ifstream cin' 5 | #define fin cin | ^~~ main.cpp:8:10: note: in expansion of macro 'fin' 8 | ifstream fin("regine2.in"); | ^~~ main.cpp:5:13: error: reference to 'cin' is ambiguous 5 | #define fin cin | ^~~ main.cpp:92:5: note: in expansion of macro 'fin' 92 | fin >> t; | ^~~ /usr/include/c++/12.2.1/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:5:13: note: 'std::ifstream cin' 5 | #define fin cin | ^~~ main.cpp:8:10: note: in expansion of macro 'fin' 8 | ifstream fin("regine2.in"); | ^~~ main.cpp:5:13: error: reference to 'cin' is ambiguous 5 | #define fin cin | ^~~ main.cpp:94:9: note: in expansion of macro 'fin' 94 | fin >> n; | ^~~ /usr/include/c++/12.2.1/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:5:13: note: 'std::ifstream cin' 5 | #define fin cin | ^~~ main.cpp:8:10: note: in expansion of macro 'fin' 8 | ifstream fin("regine2.in"); | ^~~ main.cpp:5:13: error: reference to 'cin' is ambiguous Non zero exit status: 1