Compilare: user.cpp: In constructor ‘StringMatcher::StringMatcher(const string&)’: user.cpp:12:51: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1, match = -1; i < pattern.size(); i++) { ^ user.cpp: In member function ‘std::vector<int> StringMatcher::matchString(const string&)’: user.cpp:22:53: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0, match = -1; i < _template.size(); i++) { ^ user.cpp: In function ‘int main()’: user.cpp:46:54: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < _template.size() - pattern.size(); i++) { ^ user.cpp:47:60: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(sufPref[i + pattern.size() - 1] + 1 == pattern.size()) { ^