Compilare: user.cpp: In function ‘bool Find(int, int)’: user.cpp:41:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < Hash[q1].size(); ++i) ^ user.cpp: In function ‘void Read()’: user.cpp:49:14: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets( T ); ^ /tmp/cciS3zJC.o: In function `Read()': user.cpp:(.text+0x337): warning: the `gets' function is dangerous and should not be used.