Compilare: user.cpp: In function ‘int cmlsc(std::__cxx11::string, std::__cxx11::string)’: user.cpp:19:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1 ; i < s2.size() ;i++){ ^ user.cpp:26:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1 ; i < s.size() ;i++){ ^ user.cpp:31:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1 ;i < s.size() ;i++){ ^ user.cpp:32:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 1 ; j < s2.size() ;j++){ ^ user.cpp: In function ‘int main()’: user.cpp:51:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h = 2 ; h < v.size() ;h++){ ^ user.cpp:52:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int x = 0 ; x < v.size() ;x++){ ^ user.cpp:54:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(y < v.size()){ ^