Compilare: main.cpp: In function 'int getHash(std::string&)': main.cpp:8:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 8 | for (int i = 0; i < str.size(); i++) { | ~~^~~~~~~~~~~~ main.cpp: In function 'bool find(int, std::vector<int>&)': main.cpp:17:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | if (ans + i < v.size() && v[ans + i] <= val) { | ~~~~~~~~^~~~~~~~~~ main.cpp: In function 'void solve()': main.cpp:39:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for (int i = 0; i < str.size(); i++) { | ~~^~~~~~~~~~~~ main.cpp:28:13: warning: 'n' may be used uninitialized [-Wmaybe-uninitialized] 28 | int n; | ^