Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:21:3: error: expected ‘;’ before ‘std’ std::sort(v,v+n,cmp) ^ user.cpp:25:5: error: ‘dr’ was not declared in this scope dr = min(v[i].dr, dr); ^ user.cpp:16:24: warning: unused variable ‘j’ [-Wunused-variable] int frigidere, n, i, j, a, b; ^ user.cpp:16:27: warning: unused variable ‘a’ [-Wunused-variable] int frigidere, n, i, j, a, b; ^ user.cpp:16:30: warning: unused variable ‘b’ [-Wunused-variable] int frigidere, n, i, j, a, b; ^