Eroare de compilare: main.cpp: In function 'int main()': main.cpp:8:18: error: variable 'std::ifstream fin' has initializer but incomplete type ifstream fin ("sdo.in"); ^ main.cpp:9:19: error: variable 'std::ofstream fout' has initializer but incomplete type ofstream fout ("sdo.out"); ^ main.cpp:15:16: error: 'v' was not declared in this scope fin >> v[i]; ^ main.cpp:17:17: error: 'v' was not declared in this scope nth_element(v, v + k - 1, v + n); ^ Non zero exit status: 1