Compilare: main.cpp: In function 'int main()': main.cpp:25:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | for (int i = 0; i < A.size(); i++) | ~~^~~~~~~~~~ main.cpp:27:20: 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 = 0; i < B.size(); i++) | ~~^~~~~~~~~~ main.cpp:34:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for (int i = 0; i < A.size(); i++) { | ~~^~~~~~~~~~ main.cpp:53:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | for (int i = A.size(); i < B.size(); i++) { | ~~^~~~~~~~~~ main.cpp:64:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | for (int i = 0; i < B.size() && nr < 1000; i++) | ~~^~~~~~~~~~