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  1. #include <iostream>
  2. #include <map>
  3. #include <vector>
  4. using namespace std;
  5.  
  6. map<int,int> m;
  7. map<int, int> m1;
  8. vector<int> v;
  9.  
  10.  
  11. int main() {
  12. 	int n = 2010;
  13. 	for(int i = 0; i < n; i++) {
  14. 		int k= i;
  15. 		for(int j = 0;  j< 2000;j++) {
  16. 			m[k]++;
  17. 			k = k*k % n;
  18. 		}
  19.  
  20. 		for(auto x : m) {
  21. 			if(x.second >= 1) {
  22. 				v.push_back(x.first);
  23. 			}	
  24. 		}
  25.  
  26. 		m1[v.size()]++;
  27. 		v.clear();
  28. 		m.clear();
  29. 	}
  30. 	for(auto x : m1) {
  31. 		cout << x.first << ' ' << x.second << endl;
  32. 	}
  33. 	return 0;
  34. }
Success #stdin #stdout 0.02s 15232KB
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stdin
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Standard input is empty
stdout
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1 16
2 54
3 92
4 48
10 240
11 840
12 720
https://ideone.com/salOd8
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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