Compilare: user.cpp: In function ‘int main()’: user.cpp:7:25: warning: unused variable ‘l1’ [-Wunused-variable] int n,maxim,i,j,l,k,l1,l2,c1,c2; ^ user.cpp:7:28: warning: unused variable ‘l2’ [-Wunused-variable] int n,maxim,i,j,l,k,l1,l2,c1,c2; ^ user.cpp:7:31: warning: unused variable ‘c1’ [-Wunused-variable] int n,maxim,i,j,l,k,l1,l2,c1,c2; ^ user.cpp:7:34: warning: unused variable ‘c2’ [-Wunused-variable] int n,maxim,i,j,l,k,l1,l2,c1,c2; ^