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  1. #include <iostream>
  2. #include <iterator>
  3. #include <assert.h>
  4. #include <algorithm>
  5. #include <stdlib.h>
  6.  
  7. using namespace std;
  8.  
  9. bool a[100];
  10.  
  11. int random(int b, int e)
  12. {
  13. 	assert(b<=e);
  14. 	return b+((e-b)*(1.0*rand()/RAND_MAX));
  15. }
  16.  
  17. int main() {
  18. 	srand(clock());
  19. 	for(int i=0; i<10; ++i)
  20. 	{
  21. 		a[i]=true;
  22. 		std::swap(a[i], a[random(i+1,100)]);
  23. 	};
  24. 	cout<<endl;
  25. 	std::copy(a, a+100, ostream_iterator<decltype(a[0])>(cout, "\n"));
  26. 	return 0;
  27. }
Success #stdin #stdout 0s 2884KB
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https://ideone.com/dWAorT
language:
C++14 (gcc 8.3)
created:
13 years ago
visibility:
public

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