Compilare: main.cpp: In function 'int main()': main.cpp:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for ( i = 1; i < s.size(); i++ ) { | ~~^~~~~~~~~~ main.cpp:31:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for ( i = 0; i < s.size(); i++ ) { | ~~^~~~~~~~~~ main.cpp:32:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | if ( lps[i] == pat.size() ) | ~~~~~~~^~~~~~~~~~~~~ main.cpp:37:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for ( i = 0; i < ans.size() && i < MAX_SOL; i++ ) | ~~^~~~~~~~~~~~