Compilare: main.cpp: In function 'int main()': main.cpp:153:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < buckets[b].size(); ++i) ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void InputReader::nxt()': main.cpp:18:45: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buff, sizeof(char), BUFF_SIZE, fin); ^ main.cpp: In function 'int BruteForce(int, int)': main.cpp:105:9: warning: 'val' may be used uninitialized in this function [-Wmaybe-uninitialized] return val; ^~~