Compilare: main.cpp: In function 'void kmp(int, int)': main.cpp:31:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int l = 2; l < s.size(); l++) ~~^~~~~~~~~~ main.cpp:41:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (pi == cuvinte[i].size()) ~~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'std::__cxx11::string makeSol(int, int)': main.cpp:55:67: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = cuvinte[nod].size() - last[bitMask][nod].second; i < cuvinte[nod].size(); i++) ~~^~~~~~~~~~~~~~~~~~~~~