Compilare: user.cpp: In function ‘void Delete(int)’: user.cpp:12:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i != v[h].size(); ++i) ~~^~~~~~~~~~~~~~ user.cpp: In function ‘bool Find(int)’: user.cpp:29:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i != v[h].size(); ++i) ~~^~~~~~~~~~~~~~ user.cpp: At global scope: user.cpp:40:36: warning: always_inline function might not be inlinable [-Wattributes] __attribute__((always_inline)) int get_number() ^~~~~~~~~~ user.cpp: In function ‘int get_number()’: user.cpp:48:24: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] ++p == 0x20000 && (fread(inBuffer, 0x1, 0x20000, stdin), p = 0x0); ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ user.cpp:55:24: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] ++p == 0x20000 && (fread(inBuffer, 0x1, 0x20000, stdin), p = 0x0); ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:65:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("hashuri.in", "r", stdin); ^ user.cpp:66:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("hashuri.out", "w", stdout); ^