Compilare: user.cpp: In constructor ‘StringMatcher::StringMatcher(const string&)’: user.cpp:12:50: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1, match = 0; i < pattern.size(); i++) { ^ user.cpp: In member function ‘std::vector<int> StringMatcher::matchString(const string&)’: user.cpp:24:52: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0, match = 0; i < _template.size(); i++) { ^ user.cpp: In function ‘int main()’: user.cpp:52:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < s.size(); i++) { ^ user.cpp:53:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] matchPref[i] = (matchPref[i] == pref.size() ? 1 : 0); ^ user.cpp:55:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] matchSuf[i] = (matchSuf[i] == suf.size() ? 1 : 0); ^ user.cpp:50:9: warning: unused variable ‘sPref’ [-Wunused-variable] int sPref = 0; ^