Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:8:8: error: ‘n’ was not declared in this scope f>>n; ^ user.cpp:9:14: error: expected ‘,’ or ‘;’ before ‘r’ int nr=n r, n,a,b; ^ user.cpp:12:13: error: ‘a’ was not declared in this scope a=i; b=j; ^ user.cpp:12:18: error: ‘b’ was not declared in this scope a=i; b=j; ^ user.cpp:14:14: error: ‘r’ was not declared in this scope r=a%b; ^