Compilare: user.cpp: In function ‘void citire()’: user.cpp:44:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] For1(i, p) ^ user.cpp:3:40: note: in definition of macro ‘For1’ #define For1(i,n) for(unsigned i=1; i<=n; i++) ^ user.cpp: In function ‘void bordare()’: user.cpp:52:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] For0(i, n+2) ^ user.cpp:2:39: note: in definition of macro ‘For0’ #define For0(i,n) for(unsigned i=0; i<n; i++) ^