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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int main()
  4. {
  5. 	freopen("BAI1.INP", "r", stdin);
  6. 	freopen("BAI1.OUT", "w", stdout);
  7. 	ios_base :: sync_with_stdio(0);
  8. 	cin.tie(0); cout.tie(0);
  9. 	long long n,dem = 0;
  10. 	cin >> n;
  11. 	for (long long i = 1; i*i <= n; i++) if (n % i == 0) dem += 2;
  12. 	if (sqrt(n) == trunc(sqrt(n))) dem--;
  13. 	cout << dem;
  14. 	return 0;
  15. }
Success #stdin #stdout 0.11s 5284KB
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Standard output is empty
https://ideone.com/lr1eqs
language:
C++14 (gcc 8.3)
created:
3 days ago
visibility:
public

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