Compilare: main.cpp: In function 'int main()': main.cpp:9:11: warning: unused variable 'i' [-Wunused-variable] 9 | int n,i,j,k,l,t,op,a,b,imp; | ^ main.cpp:9:13: warning: unused variable 'j' [-Wunused-variable] 9 | int n,i,j,k,l,t,op,a,b,imp; | ^ main.cpp:9:15: warning: unused variable 'k' [-Wunused-variable] 9 | int n,i,j,k,l,t,op,a,b,imp; | ^ main.cpp:9:17: warning: unused variable 'l' [-Wunused-variable] 9 | int n,i,j,k,l,t,op,a,b,imp; | ^ main.cpp:9:21: warning: unused variable 'op' [-Wunused-variable] 9 | int n,i,j,k,l,t,op,a,b,imp; | ^~ main.cpp:9:24: warning: unused variable 'a' [-Wunused-variable] 9 | int n,i,j,k,l,t,op,a,b,imp; | ^ main.cpp:9:26: warning: unused variable 'b' [-Wunused-variable] 9 | int n,i,j,k,l,t,op,a,b,imp; | ^ main.cpp:9:28: warning: unused variable 'imp' [-Wunused-variable] 9 | int n,i,j,k,l,t,op,a,b,imp; | ^~~