Compilare: main.cpp: In function 'void computeArray(const string&, std::vector<int>&)': main.cpp:42:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (j < substring.length()) ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:46:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while ((j < substring.length() - 1) && (substring[j + 1] == '*')) ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:51:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j == substring.length() - 1) ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:63:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j < substring.length()) ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void substringMatching(const string&, std::__cxx11::string&)': main.cpp:105:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i < text.length()) ~~^~~~~~~~~~~~~~~ main.cpp:113:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j == substring.length()) ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:131:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ((i < text.length()) && (text[i] != substring[j])) ~~^~~~~~~~~~~~~~~