Eroare de compilare: user.cpp:3:17: error: ‘sd’ is not a namespace-name using namespace sd; ^ user.cpp:3:19: error: expected namespace-name before ‘;’ token using namespace sd; ^ user.cpp:5:1: error: ‘ifsream’ does not name a type ifsream fin("cautbin.in"); ^ user.cpp:6:1: error: ‘ofsream’ does not name a type ofsream fout("cautbin.out"); ^ user.cpp: In function ‘int CautBin1(int)’: user.cpp:13:11: error: ‘s’ was not declared in this scope while(s <= d) ^ user.cpp:11:9: warning: unused variable ‘st’ [-Wunused-variable] int st = 1, d = n, mid, val = -1; ^ user.cpp: In function ‘int main()’: user.cpp:74:5: error: ‘fin’ was not declared in this scope fin >> n; ^ user.cpp:85:13: error: ‘fout’ was not declared in this scope fout << CautBin1(y) << "\n"; ^ user.cpp:87:13: error: ‘fout’ was not declared in this scope fout << CautBin2(y) << "\n"; ^ user.cpp:89:13: error: ‘fout’ was not declared in this scope fout << CautBin3(y) << "\n"; ^