Compilare: main.cpp: In function 'int main()': main.cpp:75:11: warning: unused variable 'm' [-Wunused-variable] 75 | int n,m; | ^ main.cpp:77:9: warning: unused variable 'x' [-Wunused-variable] 77 | int x,y; | ^ main.cpp:77:11: warning: unused variable 'y' [-Wunused-variable] 77 | int x,y; | ^ main.cpp:78:12: warning: unused variable 'c' [-Wunused-variable] 78 | double c; | ^