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  1. #include <iostream>
  2. using namespace std;
  3. string A(long long N) {return N == 0 ? "" : A((N - 1) / 5) + "13579"[(N - 1) % 5];}
  4. int main() {
  5. 	long long N;
  6. 	cin >> N, cout << A(N);
  7.     return 0;
  8. }
Success #stdin #stdout 0s 5284KB
comments (?)
stdin
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1000000000000000000
stdout
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51571955777777777777777779
https://ideone.com/O7J23i
language:
C++ (gcc 8.3)
created:
11 days ago
visibility:
public

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