Compilare: main.cpp: In function 'std::vector<int> make_pattern(std::__cxx11::string)': main.cpp:14:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (j < s.size()) { ~~^~~~~~~~~~ main.cpp: In function 'void solve(std::__cxx11::string, std::__cxx11::string)': main.cpp:36:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (; i_text != text.size();) { ~~~~~~~^~~~~~~~~~~~~~ main.cpp:52:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (i_pattern == pattern.size()) { ~~~~~~~~~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:75:12: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if (a.size() == b.size()) ^