Eroare de compilare: main.cpp: In function 'int main()': main.cpp:40:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0;j<v.size();j++) ~^~~~~~~~~ main.cpp:45:42: error: 'make_heap' was not declared in this scope make_heap(v1.begin(),v1.end()); ^ main.cpp:20:16: warning: unused variable 'k' [-Wunused-variable] int n,op,x,k=0; ^ Non zero exit status: 1