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  1. #include <iostream>
  2. #include <iomanip>
  3. #include <cstdlib>
  4. #include <set>
  5.  
  6. using namespace std;
  7.  
  8. int main()
  9. {
  10.   set <unsigned long long> used;
  11.  
  12.   for (unsigned q=0; q<100; ++q)
  13.   {
  14.     unsigned long long x;
  15.     while (!used.insert(x = (((unsigned long long)rand() << 16 | rand()) << 16 | rand()) % 10000000000).second);
  16.     cout << setfill('0') << setw(10) << x << endl;
  17.   }
  18.  
  19.   return 0;
  20. }
Success #stdin #stdout 0.01s 5428KB
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stdin
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Standard input is empty
stdout
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0292681196
https://ideone.com/tFz6d4
language:
C++14 (gcc 8.3)
created:
2 years ago
visibility:
public

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