Compilare: main.cpp: In function 'int main()': main.cpp:23:17: warning: unused variable 'gcd' [-Wunused-variable] 23 | int dx, dy, gcd, sgn; | ^~~ main.cpp:23:22: warning: unused variable 'sgn' [-Wunused-variable] 23 | int dx, dy, gcd, sgn; | ^~~ main.cpp:46:9: warning: unused variable 'cnt' [-Wunused-variable] 46 | int cnt; | ^~~