Compilare: main.cpp: In function 'void buildPi(std::__cxx11::string&, int*)': main.cpp:43:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i < s.size()) { ~~^~~~~~~~~~ main.cpp: In function 'bool contains(std::__cxx11::string&, int)': main.cpp:70:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i < t.size()) { ~~^~~~~~~~~~ main.cpp:74:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j >= sb.size()) { ~~^~~~~~~~~~~~ main.cpp: In function 'int computeOverlap(std::__cxx11::string&, int)': main.cpp:96:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i < t.size()) { ~~^~~~~~~~~~ main.cpp: In function 'void hamiltonianPath()': main.cpp:240:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < sol.size(); ++i) { ~~^~~~~~~~~~~~ main.cpp:244:55: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = (int)(sf[k].size() - d[l][k]); j < sf[k].size(); ++j) { ~~^~~~~~~~~~~~~~