Compilare: main.cpp: In function 'int main()': main.cpp:51:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i <= s.length() / 8; i++) { ~~^~~~~~~~~~~~~~~~~ main.cpp:54:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 1; j < byte.length(); j++) { ~~^~~~~~~~~~~~~~~ main.cpp:43:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("paritate.in", "r", stdin); ^ main.cpp:44:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("paritate.out", "w", stdout); ^