Compilare: user.cpp: In function 'int respins()': user.cpp:62: warning: comparison between signed and unsigned integer expressions user.cpp:65: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int eval(char*)': user.cpp:109: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void priority(char*, char)': user.cpp:159: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void transform(char*, int)': user.cpp:180: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void priority(char*, char)': user.cpp:158: warning: 'n' may be used uninitialized in this function /tmp/ccosip6t.o: In function `main': user.cpp:(.text+0x52a): warning: the `gets' function is dangerous and should not be used.