Compilare: main.cpp: In function 'int main()': main.cpp:11:13: warning: unused variable 'j' [-Wunused-variable] 11 | int n,i,j,k,l,m,last,curr; | ^ main.cpp:11:15: warning: unused variable 'k' [-Wunused-variable] 11 | int n,i,j,k,l,m,last,curr; | ^ main.cpp:11:17: warning: unused variable 'l' [-Wunused-variable] 11 | int n,i,j,k,l,m,last,curr; | ^ main.cpp:11:21: warning: 'last' may be used uninitialized [-Wmaybe-uninitialized] 11 | int n,i,j,k,l,m,last,curr; | ^~~~