Eroare de compilare: main.cpp:11:1: error: 'vector' does not name a type vector< int > f; ^~~~~~ main.cpp: In function 'bool ok(int)': main.cpp:14:22: error: 'f' was not declared in this scope if((*lower_bound(f.begin(), f.end(), x)) == x) ^ main.cpp: In function 'int main()': main.cpp:30:9: error: 'f' was not declared in this scope f.push_back(tmp); ^ main.cpp:32:10: error: 'f' was not declared in this scope sort(f.begin(), f.end()); ^ Non zero exit status: 1