Compilare: user.cpp: In function ‘bool verificare(char*, char*)’: user.cpp:19:8: warning: variable ‘y1’ set but not used [-Wunused-but-set-variable] int x1,y1; ^ user.cpp: In function ‘int main()’: user.cpp:43:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(lmax<strlen(a[i])) ^ user.cpp:45:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(lmax==strlen(a[i])) ^