Compilare: user.cpp: In function ‘bool Find(unsigned int)’: user.cpp:39:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < Hash[q2].size(); ++i) ^ user.cpp: In function ‘void Read()’: user.cpp:47:14: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets( T ); ^ /tmp/ccO2y2Ga.o: In function `Read()': user.cpp:(.text+0x1e5): warning: the `gets' function is dangerous and should not be used.