Compilare: user.cpp: In function ‘int main()’: user.cpp:2:173: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] using namespace std;ifstream f("ssnd.in");ofstream g("ssnd.out");int main(){unsigned long long n,cif;int t,nr=0;f>>t;for(int i=1;i<=t;i++){f>>n;nr=0;cif=0;for(int k=1;k<=n/2;k++){if((n%k)==0){nr++;cif+=k;}}g<<nr+1<<" "<<cif+n;g<<'\n';}return 0;} ^