Compilare: user.cpp:47:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:45: warning: format '%d' expects type 'int', but argument 2 has type 'MPOS' user.cpp:45: warning: too many arguments for format user.cpp: In function 'int cmp2(const void*, const void*)': user.cpp:28: warning: control reaches end of non-void function user.cpp: In function 'int cmp(const void*, const void*)': user.cpp:20: warning: control reaches end of non-void function /tmp/ccfSEONm.o: In function `main': user.cpp:(.text+0xe3): warning: the `gets' function is dangerous and should not be used.