Compilare: user.cpp: In function ‘bool verificare(char*, char*)’: user.cpp:19:11: warning: unused variable ‘x1’ [-Wunused-variable] short int x1,y1; ^ user.cpp:19:14: warning: unused variable ‘y1’ [-Wunused-variable] short int x1,y1; ^ user.cpp: In function ‘int main()’: user.cpp:41:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(lmax<strlen(a[i])) ^ user.cpp:43:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(lmax==strlen(a[i])) ^