Compilare: user.cpp: In function ‘int main()’: user.cpp:7:25: warning: unused variable ‘lg’ [-Wunused-variable] int n, i, x, nr1=0, lg, lgmax, st, dr, swapuri=0, j; ^ user.cpp:7:29: warning: unused variable ‘lgmax’ [-Wunused-variable] int n, i, x, nr1=0, lg, lgmax, st, dr, swapuri=0, j; ^ user.cpp:7:36: warning: unused variable ‘st’ [-Wunused-variable] int n, i, x, nr1=0, lg, lgmax, st, dr, swapuri=0, j; ^ user.cpp:7:40: warning: unused variable ‘dr’ [-Wunused-variable] int n, i, x, nr1=0, lg, lgmax, st, dr, swapuri=0, j; ^ user.cpp:7:44: warning: unused variable ‘swapuri’ [-Wunused-variable] int n, i, x, nr1=0, lg, lgmax, st, dr, swapuri=0, j; ^ user.cpp:7:55: warning: unused variable ‘j’ [-Wunused-variable] int n, i, x, nr1=0, lg, lgmax, st, dr, swapuri=0, j; ^