Compilare: main.cpp: In function 'int similitudine::mutari(std::__cxx11::string, std::__cxx11::string)': main.cpp:27:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < s2.size(); ++i) { ~~^~~~~~~~~~~ main.cpp:29:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = i; j < s2.size(); ++j) ~~^~~~~~~~~~~ main.cpp:25:38: warning: unused variable 'x' [-Wunused-variable] int l1 = s1.size(), l2 = s2.size(), x, Max = 0; ^