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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int l = 0;
  7. 	int r = 1000;
  8. 	int x = 1000;
  9. 	// l and r denote our current bounds: we know that l <= x <= r
  10. 	while(l<r) {
  11. 	  // we will ask about the number in the middle
  12. 	  int m = (l+r)/2;
  13. 	  // note: this is an integer division, thus e.g., for l=0, r=1 we get m=1/2=0
  14. 	  if(x <= m)
  15. 	    r = m;
  16. 	  else
  17. 	    l = m+1;
  18. 	  }
  19. }
Success #stdin #stdout 0s 15232KB
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https://ideone.com/f51BN6
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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