Eroare de compilare: main.cpp: In function 'void init_rmq()': main.cpp:43:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 43 | for(int i = 0; i < euler.size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp:50:45: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for(int i = 0; i + (1 << level) / 2 < euler.size(); i++) { | ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:95:15: error: reference to 'cin' is ambiguous 95 | int n, m; cin >> n >> m; | ^~~ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:75, from main.cpp:1: /usr/include/c++/10/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:89:10: note: 'std::ifstream cin' 89 | ifstream cin ("lca.in"); | ^~~ main.cpp:97:16: error: reference to 'cin' is ambiguous 97 | int x; cin >> x; | ^~~ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:75, from main.cpp:1: /usr/include/c++/10/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:89:10: note: 'std::ifstream cin' 89 | ifstream cin ("lca.in"); | ^~~ main.cpp:109:19: error: reference to 'cin' is ambiguous 109 | int x, y; cin >> x >> y; | ^~~ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:75, from main.cpp:1: /usr/include/c++/10/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:89:10: note: 'std::ifstream cin' 89 | ifstream cin ("lca.in"); | ^~~ main.cpp:110:9: error: reference to 'cout' is ambiguous 110 | cout << query_rmq(x, y) << "\n"; | ^~~~ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:75, from main.cpp:1: /usr/include/c++/10/iostream:61:18: note: candidates are: 'std::ostream std::cout' 61 | extern ostream cout; /// Linked to standard output | ^~~~ main.cpp:90:10: note: 'std::ifstream cout' Non zero exit status: 1