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- #include <bits/stdc++.h>
- using namespace std;
- int Ne = 10000000000;
- bool kor (int n)
- {
- for(int i = 0; i*i <= n; i ++)
- {
- if (i * i == n)return false;
- }
- return true;
- }
- int dil (int n) {
- int result = n;
- for(int i = 0; i < n; i ++)
- {
- if (kor(i)) result --;
- }
- result --;
- return result;
- }
- int phi (int n) {
- int result = n;
- for (int i=2; i*i<=n; ++i)
- if (n % i == 0) {
- while (n % i == 0)
- n /= i;
- result -= result / i;
- }
- if (n > 1)
- result -= result / n;
- return result;
- }
- int main()
- {
- int n;
- for (int i = 0; i < Ne; i++)
- {
- cin >> n;
- if(n == 0) return 0;
- cout << phi(n) << ' ' << dil(n) << endl;
- }
- }
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