Eroare de compilare: user.cpp: In function ‘void r()’: user.cpp:72:13: error: ‘j’ was not declared in this scope for(j=i-1;j<n-2;j++) ^ user.cpp:42:11: warning: unused variable ‘da’ [-Wunused-variable] int i,da=0,af,y=1; ^ user.cpp: In function ‘int main()’: user.cpp:88:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,da=0,s=0; ^ user.cpp:88:18: warning: unused variable ‘s’ [-Wunused-variable] int i,j,da=0,s=0; ^