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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. #define MAX 100000
  5.  
  6. int factors[MAX+5];
  7. int primeFactor[MAX+5];
  8.  
  9. void sieve()
  10. {
  11. 	int i, j;
  12.  
  13. 	primeFactor[1] = 1;
  14.  
  15. 	primeFactor[2] = 2;
  16. 	for (i = 4; i <= MAX; i+=2)
  17. 		primeFactor[i] = 2;
  18.  
  19. 	for (j = 3; j <= MAX; j+=2)
  20. 	{
  21. 		if (primeFactor[j] == 0)
  22. 		{
  23. 			primeFactor[j] = j;
  24. 			for (i = j*j; i <= MAX; i+=j)
  25.             {
  26.                 if (primeFactor[i] == 0)
  27.                 {
  28.                     primeFactor[i] = j;
  29.                 }
  30.             }
  31. 		}
  32. 	}
  33.  
  34. }
  35.  
  36. int main()
  37. {
  38.     #ifdef VSP4
  39.     freopen("input.txt", "r", stdin);
  40.     freopen("output.txt", "w", stdout);
  41.     #endif // VSP4
  42.  
  43.     int N, Q, i, j, k, x, ans, last, count;
  44.  
  45.     sieve();
  46.  
  47.     cin >> N;
  48.  
  49.     for (i = 0; i < N; i++)
  50.     {
  51.     	cin >> x;
  52.     	while (x != 1)
  53.     	{
  54.     		factors[primeFactor[x]]++;
  55.     		x /= primeFactor[x];
  56.     	}
  57.     }
  58.  
  59.     cin >> Q;
  60.     for (i = 0; i < Q; i++)
  61.     {
  62.     	cin >> x;
  63.     	ans = 1e9;
  64.     	map<int, int> tempMap;
  65.     	while (x != 1)
  66.         {
  67.             tempMap[primeFactor[x]]++;
  68.     		x /= primeFactor[x];
  69.         }
  70.         for (auto it: tempMap)
  71.         {
  72.             ans = min(ans, factors[it.first]/it.second);
  73.         }
  74.     	cout << ans << "\n";
  75.     }
  76.  
  77.     return 0;
  78. }
  79.  
Runtime error #stdin #stdout 0s 4240KB
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Standard input is empty
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Standard output is empty
https://ideone.com/kWWVWX
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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