Compilare: main.cpp: In function 'bool Find(unsigned int)': main.cpp:41:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < Hash[q2].size(); ++i) ~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'void Read()': main.cpp:48:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s", T); ^