Compilare: main.cpp: In function 'void kmp(std::string&, std::vector<int>&)': main.cpp:11:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 11 | for(int i = 1; i < a.size(); i ++) | ~~^~~~~~~~~~ main.cpp: In function 'void solve(int, std::string&, std::vector<int>&)': main.cpp:27:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for(int i = startPoz; i < s.size() && !ok; i ++) | ~~^~~~~~~~~~ main.cpp:46:18: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | if(pi[i] == b.size()) main.cpp: In function 'int main()': main.cpp:69:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 69 | while(i < t.size()) | ~~^~~~~~~~~~