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  1. #include <iostream>
  2. #include <stdlib.h>
  3.  
  4. uint8_t array[] = { 0, 64, 128, 192, 255 };
  5.  
  6. uint8_t findClosestMatch( uint8_t val )
  7. {
  8.   uint8_t closest = 0;
  9.   for ( uint8_t i = 0; i < sizeof array / sizeof array[0]; i++ )
  10.   {
  11.     if ( abs( val - closest ) >= abs( val - array[i] ) )
  12.       closest = array[i];
  13.   }
  14.   return closest;
  15. }
  16.  
  17. int main()
  18. {
  19. 	printf( "closest from 72  = %hhu\n", findClosestMatch( 72 ) );
  20. 	printf( "closest from 142 = %hhu\n", findClosestMatch( 142 ) );
  21. 	printf( "closest from 230 = %hhu\n", findClosestMatch( 230 ) );
  22. 	return 0;
  23. }
Success #stdin #stdout 0s 2740KB
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stdin
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Standard input is empty
stdout
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closest from 72  = 64
closest from 142 = 128
closest from 230 = 255
https://ideone.com/j3CUHY
language:
C++ 4.3.2 (gcc-4.3.2)
created:
7 years ago
visibility:
public

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