Eroare de compilare: user.cpp:3:1: error: ‘ifstream’ does not name a type ifstream fin("kbiti.in"); ^ user.cpp:4:1: error: ‘ifstream’ does not name a type ifstream fout("kbiti.out"); ^ user.cpp: In function ‘int main()’: user.cpp:13:5: error: ‘fin’ was not declared in this scope fin>>n; ^ user.cpp:18:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j<s.length(); j++) ^ user.cpp:20:9: error: ‘fout’ was not declared in this scope fout<<k+1<<'\n'; ^