Compilare: user.cpp: In function ‘int main()’: user.cpp:8:29: warning: unused variable ‘i’ [-Wunused-variable] int n,k1,k2,l1,l2,c1,c2,i,j,x[100][100]; ^ user.cpp:8:31: warning: unused variable ‘j’ [-Wunused-variable] int n,k1,k2,l1,l2,c1,c2,i,j,x[100][100]; ^ user.cpp:8:33: warning: unused variable ‘x’ [-Wunused-variable] int n,k1,k2,l1,l2,c1,c2,i,j,x[100][100]; ^