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  1. #include <vector>
  2. #include <string>
  3. #include <iostream>
  4. #include <iomanip>
  5.  
  6. using namespace std;
  7.  
  8.  
  9. int main()
  10. {
  11.     int n;
  12.     cin >> n;
  13.     if (n%4)
  14.     {
  15.         cout << "prime\n";
  16.         return 0;
  17.     }
  18.     int two = 0;
  19.     while(n%2 == 0)
  20.     {
  21.         two++;
  22.         n /= 2;
  23.     }
  24.     vector<int> ps;
  25.     for(int d = 3; n > 1 && d*d <= n; d+=2)
  26.     {
  27.         while(n%d == 0)
  28.         {
  29.             ps.push_back(d);
  30.             n /= d;
  31.         }
  32.     }
  33.     if (n > 1) ps.push_back(n);
  34.     if (ps.size() <= 1)
  35.     {
  36.         cout << "single\n";
  37.         for(int i = 0; i < two-1; ++i) cout << "2 ";
  38.         cout << (ps.size()==0 ? 2 : 2*ps[0]) << endl;
  39.     }
  40.     else
  41.     {
  42.         cout << "many\n";
  43.         for(int i = 0; i < two-2; ++i) cout << "2 ";
  44.         cout << 2*ps[0] << " ";
  45.         n = 1;
  46.         for(int i = 1; i < ps.size(); ++i) n *= ps[i];
  47.         cout << 2*n << endl;
  48.         for(int i = 0; i < two-1; ++i) cout << "2 ";
  49.         cout << 2*n*ps[0] << endl;
  50.     }
  51. }
  52.  
  53.  
  54.  
Success #stdin #stdout 0s 4568KB
comments (?)
stdin
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84
stdout
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many
6 14
2 42
https://ideone.com/otGj84
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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