Eroare de compilare: main.cpp: In function 'int main()': main.cpp:48:5: error: reference to 'cin' is ambiguous 48 | cin>>a>>b; | ^~~ In file included from main.cpp:1: /usr/include/c++/12.2.1/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:4:10: note: 'std::ifstream cin' 4 | ifstream cin("sumdiv.in"); | ^~~ main.cpp:66:17: error: 'sum' was not declared in this scope; did you mean 'suma'? 66 | sum = (long long)(suma*(p*b+1))%M; | ^~~ | suma main.cpp:56:23: warning: unused variable 'putere' [-Wunused-variable] 56 | long long putere=1; | ^~~~~~ main.cpp:75:36: error: 'putere' was not declared in this scope; did you mean 'putenv'? 75 | suma=((long long)suma*(putere(a,b+1)-1+M)*invers(a-1,fi))%M; | ^~~~~~ | putenv main.cpp:78:36: error: 'n' was not declared in this scope 78 | suma=((long long)suma*(n + 1))%M; | ^ main.cpp:80:5: error: reference to 'cout' is ambiguous 80 | cout<<suma; | ^~~~ /usr/include/c++/12.2.1/iostream:61:18: note: candidates are: 'std::ostream std::cout' 61 | extern ostream cout; /// Linked to standard output | ^~~~ main.cpp:5:10: note: 'std::ofstream cout' 5 | ofstream cout("sumdiv.out"); | ^~~~ Non zero exit status: 1