Compilare: main.cpp: In function 'int main()': main.cpp:37:9: warning: variable 'lastx' set but not used [-Wunused-but-set-variable] 37 | int lastx, lasty; | ^~~~~ main.cpp:37:16: warning: variable 'lasty' set but not used [-Wunused-but-set-variable] 37 | int lastx, lasty; | ^~~~~ main.cpp:51:10: warning: unused variable 'poss' [-Wunused-variable] 51 | bool poss = true; | ^~~~ main.cpp:70:18: warning: 'beg' may be used uninitialized [-Wmaybe-uninitialized] 70 | Euler(beg); | ~~~~~^~~~~ main.cpp:36:15: note: 'beg' was declared here 36 | int x, y, beg; | ^~~