Eroare de compilare: main.cpp: In function 'int64_t find_order(std::string)': main.cpp:10:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 10 | for(int i = 1; i <= s.size(); i++) nr_perm = nr_perm * i; | ~~^~~~~~~~~~~ main.cpp:21:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for(int poz = 0; poz < s.size(); poz++) { | ~~~~^~~~~~~~~~ main.cpp: In function 'std::string find_nth(int64_t, std::string)': main.cpp:45:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | for(int i = 1; i <= _s.size(); i++) nr_perm = nr_perm * i; | ~~^~~~~~~~~~~~ main.cpp:52:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | for(int poz = 0; poz < s.size(); poz++) { | ~~~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:74:16: error: reference to 'cin' is ambiguous 74 | int64_t k; cin >> k; | ^~~ 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:5:10: note: 'std::ifstream cin' 5 | ifstream cin("inrudit.in"); | ^~~ main.cpp:75:15: error: reference to 'cin' is ambiguous 75 | string s; cin >> s; | ^~~ 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:5:10: note: 'std::ifstream cin' 5 | ifstream cin("inrudit.in"); | ^~~ Non zero exit status: 1