Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:8:5: error: expected ‘,’ or ‘;’ before ‘unsigned’ unsigned long n,d,i,j; ^~~~~~~~ user.cpp:9:8: error: ‘n’ was not declared in this scope f>>n>>d; ^ user.cpp:9:11: error: ‘d’ was not declared in this scope f>>n>>d; ^ user.cpp:11:10: error: ‘i’ was not declared in this scope for (i=1;i<=n;i++) ^ user.cpp:12:9: error: ‘cin’ was not declared in this scope cin>>a[i]; ^~~ user.cpp:12:14: error: ‘a’ was not declared in this scope cin>>a[i]; ^ user.cpp:13:10: error: ‘i’ was not declared in this scope for (i=1;i<=n;i++) ^ user.cpp:15:13: error: ‘j’ was not declared in this scope for(j=i+1;j<=i+d;j++) ^ user.cpp:16:17: error: ‘a’ was not declared in this scope if (abs(a[i]-a[j])<k) k=abs(a[i]-a[j]); ^ user.cpp:10:29: warning: unused variable ‘x’ [-Wunused-variable] int a[n+1],k=1000000000,x; ^