Eroare de compilare: user.cpp:3:1: error: ‘ifstream’ does not name a type ifstream fin("fractii.in"); ^ user.cpp:4:1: error: ‘ofstream’ does not name a type ofstream fout("fractii.out"); ^ user.cpp: In function ‘int main()’: user.cpp:24:5: error: ‘fin’ was not declared in this scope fin>>N; ^ user.cpp:25:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=N;i++) ^ user.cpp:27:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=1;j<=N;j++) ^ user.cpp:37:6: error: ‘fout’ was not declared in this scope fout<<k; ^