Compilare: user.cpp: In function ‘void Back(int)’: user.cpp:13:14: warning: variable ‘ant’ set but not used [-Wunused-but-set-variable] { int i,j,x,ant,antok,mcant[95]; ^ user.cpp: In function ‘int main()’: user.cpp:65:10: warning: unused variable ‘j’ [-Wunused-variable] { int i,j,x,y; ^ user.cpp: In function ‘void Back(int)’: user.cpp:18:32: warning: ignoring return value of ‘int system(const char*)’, declared with attribute warn_unused_result [-Wunused-result] cout<<"\n"; system("pause"); system("cls"); ^ user.cpp:18:47: warning: ignoring return value of ‘int system(const char*)’, declared with attribute warn_unused_result [-Wunused-result] cout<<"\n"; system("pause"); system("cls"); ^