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- #include <iostream>
- using namespace std;
- int F(int n)
- {
- if(n==0)
- return 1;
- else
- return n*F(n-1);
- }
- int sumacifre(int n)
- {
- if(n<=9)
- return n;
- else return sumacifre(n/10+n%10);
- }
- int main()
- {
- int n;
- cin>>n;
- cout<<F(n)<<'\n';
- cout<<sumacifre(n);
- return 0;
- }
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