Compilare: main.cpp: In function 'void KMP()': main.cpp:58:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for(int i=1; i<P.size(); ++i){ | ~^~~~~~~~~ main.cpp:70:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 70 | for(;i<P.size() and P[i]==P[i-i2]; ++i) | ~^~~~~~~~~ main.cpp:98:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 98 | for(int i=0; i<S.size(); ++i) | ~^~~~~~~~~ main.cpp:114:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 114 | if(q==P.size()) poz.push_back(i-q+1); | ~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:148:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 148 | for(int i=0; i<poz.size() ; ++i) | ~^~~~~~~~~~~