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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define int long long
  4. signed main() {
  5.  
  6. 	int N;
  7. 	cin>>N;
  8. 	if(N == 1){
  9. 		cout<<0;
  10. 		exit(0);
  11. 	}
  12. 	N--;
  13. 	vector<int> v;
  14. 	while(N){
  15. 		v.push_back(N%5);
  16. 		N/=5;
  17. 	}
  18. 	reverse(v.begin(),v.end());
  19. 	for(auto i: v) cout<<i*2;
  20. 	// your code goes here
  21. 	return 0;
  22. }
Success #stdin #stdout 0.01s 5280KB
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https://ideone.com/GTGQNc
language:
C++14 (gcc 8.3)
created:
42 days ago
visibility:
public

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