Compilare: main.cpp: In function 'int solve(int, int)': main.cpp:12:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 12 | if(left == s1.size() && right == s2.size()) | ~~~~~^~~~~~~~~~~~ main.cpp:12:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 12 | if(left == s1.size() && right == s2.size()) | ~~~~~~^~~~~~~~~~~~ main.cpp:14:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | if(right == s2.size()) | ~~~~~~^~~~~~~~~~~~ main.cpp:17:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for(int i = left;i < s1.size();++i) | ~~^~~~~~~~~~~ main.cpp:27:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | if(left == s1.size()) | ~~~~~^~~~~~~~~~~~