Compilare: main.cpp: In member function 'std::vector<int> RabinKarp::run(const string&, bool) const': main.cpp:51:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < pattern.size() - 1; i++) txtkey = (txtkey * BASE + text[i]) % DEFAULT_MOD; ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:53:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = pattern.size() - 1; i < text.size(); i++) ~~^~~~~~~~~~~~~ main.cpp:59:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int k = 0; k < pattern.size() && same && check; k++) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:74:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.in", "r", stdin); ^ main.cpp:75:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.out", "w", stdout); ^