Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:56:5: error: case label ‘2’ not within a switch statement case 2: ^ user.cpp:66:5: error: case label ‘3’ not within a switch statement case 3: ^ user.cpp:76:5: error: case label ‘4’ not within a switch statement case 4: ^ user.cpp:12:43: warning: unused variable ‘y’ [-Wunused-variable] int i, j, n, m, k, x, nr, nr2, nr3=0, y, n1, m1; ^ user.cpp:12:46: warning: unused variable ‘n1’ [-Wunused-variable] int i, j, n, m, k, x, nr, nr2, nr3=0, y, n1, m1; ^ user.cpp:12:50: warning: unused variable ‘m1’ [-Wunused-variable] int i, j, n, m, k, x, nr, nr2, nr3=0, y, n1, m1; ^