Eroare de compilare: main.cpp: In function 'int main()': main.cpp:42:20: error: variable 'std::ifstream cin' has initializer but incomplete type 42 | ifstream cin ("sdo.in"); | ^ main.cpp:43:20: error: variable 'std::ofstream cout' has initializer but incomplete type 43 | ofstream cout("sdo.out"); | ^ main.cpp:48:14: error: 'v' was not declared in this scope 48 | cin>>v[i]; | ^ main.cpp:51:17: error: 'v' was not declared in this scope 51 | quicksort(v,0,n-1,k); | ^ Non zero exit status: 1