Compilare: user.cpp: In function ‘void Verifica(int, int, char)’: user.cpp:103:9: warning: variable ‘x’ set but not used [-Wunused-but-set-variable] int x, y, k; ^ user.cpp:103:12: warning: variable ‘y’ set but not used [-Wunused-but-set-variable] int x, y, k; ^ user.cpp: In function ‘void Optiune2()’: user.cpp:119:9: warning: unused variable ‘s’ [-Wunused-variable] int s = 0, sm = 0; ^ user.cpp:119:16: warning: unused variable ‘sm’ [-Wunused-variable] int s = 0, sm = 0; ^ user.cpp:121:9: warning: unused variable ‘ind1’ [-Wunused-variable] int ind1, ind2; ^ user.cpp:121:15: warning: unused variable ‘ind2’ [-Wunused-variable] int ind1, ind2; ^