Eroare de compilare: user.cpp:4:1: error: ‘ifstream’ does not name a type ifstream f("algsort.in"); ^ user.cpp:5:1: error: ‘ofstream’ does not name a type ofstream g("algsort.out"); ^ user.cpp: In function ‘int main()’: user.cpp:7:5: error: ‘f’ was not declared in this scope f>>N; ^ user.cpp:10:24: error: ‘g’ was not declared in this scope for (i=0;i<N;++i) {g<<v[i]<<' ';} ^