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::findOccurrences(const string&)’: user.cpp:25:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < _template.size(); i++) { ^ user.cpp:26:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(_templateSufPref[i] == pattern.size()) { ^ user.cpp: In member function ‘std::vector<int> StringMatcher::matchString(const string&)’: user.cpp:35:52: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0, match = 0; i < _template.size(); i++) { ^