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  1. #include <iostream>
  2.  
  3. int index( int n )
  4. {
  5.     return 3 - ( n >> 8 ) + ( n >> 10 );
  6. }
  7.  
  8. void test( int n )
  9. {
  10.     std::cout << n << " - "  << index( n ) << std::endl;
  11. }
  12.  
  13. int main() {
  14.     for( int i : {1024, 512, 256, 128 } )
  15.         test( i );
  16.     return 0;
  17. }
Success #stdin #stdout 0s 4468KB
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stdin
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Standard input is empty
stdout
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1024 - 0
512 - 1
256 - 2
128 - 3
https://ideone.com/o8DyH2
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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