Compilare: main.cpp: In function 'int editDistance(std::__cxx11::string, std::__cxx11::string)': main.cpp:8:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j<=B.size(); ++j) ~^~~~~~~~~~ main.cpp:10:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=1; i<=A.size(); ++i) { ~^~~~~~~~~~ main.cpp:12:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=1; j<=B.size(); ++j) { ~^~~~~~~~~~