Compilare: user.cpp: In function ‘int lungime(int)’: user.cpp:14:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int q=j; q<strlen(sir)&&gata==0; q=q+2) ^ user.cpp: In function ‘void rezolva1()’: user.cpp:26:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<strlen(sir); i++) ^ user.cpp: In function ‘void rezolva2()’: user.cpp:45:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<strlen(sir)-1; i++) ^