Eroare de compilare: user.cpp: In function ‘long long int putere(long long int, long long int)’: user.cpp:29:42: error: ‘M’ was not declared in this scope if (n%2==0) return (a*a)%M; ^ user.cpp:30:37: error: ‘M’ was not declared in this scope else return (x*a*a)%M; ^ user.cpp:32:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:38:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld%lld",&n,&s); ^