Borderou de evaluare (job #666780)

Eroare de compilare: main.cpp: In function 'int main()': main.cpp:19:17: error: 'vec' was not declared in this scope 19 | vec.insert(upper_bound(vec.begin()+(n+1)/2,vec.end(),x),x); | ^~~ main.cpp:21:17: error: 'vec' was not declared in this scope 21 | vec.insert(upper_bound(vec.begin(),vec.begin()+(n+1)/2-1,x),x); | ^~~ main.cpp:26:19: error: 'vec' was not declared in this scope 26 | piv=*(vec.begin()+(n+1)/2-1); | ^~~