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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int main() {
  6.     long long n;
  7.     cin >> n;
  8.  
  9.     int count = 0;
  10.  
  11.     for (long long i = 2; i * i <= n; i++) {
  12.         if (n % i == 0) {
  13.             count++; 
  14.             while (n % i == 0) {
  15.                 n /= i;
  16.             }
  17.         }
  18.     }
  19.  
  20.     if (n > 1) {
  21.         count++;
  22.     }
  23.  
  24.     cout << count << endl;
  25.     return 0;
  26. }
Success #stdin #stdout 0.01s 5280KB
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https://ideone.com/HRpJPc
language:
C++ (gcc 8.3)
created:
17 hours ago
visibility:
secret

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