Compilare: main.cpp: In function 'int main()': main.cpp:30:13: warning: unused variable 'a' [-Wunused-variable] 30 | int n,m,a,b,c,x,y; | ^ main.cpp:30:15: warning: unused variable 'b' [-Wunused-variable] 30 | int n,m,a,b,c,x,y; | ^ main.cpp:30:17: warning: unused variable 'c' [-Wunused-variable] 30 | int n,m,a,b,c,x,y; | ^