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  1. #include <stdio.h>
  2. int round_near(float b);
  3. int main(void) 
  4. {
  5. float b;
  6. for(b = 0; b <= 2; b = b + 0.1)
  7. {
  8.     printf("%f    ", b);
  9.     printf("%i    ", (int)b);
  10.     printf("%f    ", b - (int)b);
  11.     printf("Nearest: ");
  12.     if((b - (int)b)<0.5)
  13.         printf("%i    ", (int)b);
  14.     else
  15.         printf("%i    ", (int)b + 1);
  16.     printf("Function: %i    ", round_near(b));
  17.     printf("\n");
  18. }
  19. getchar();
  20. 	return 0;
  21. }
  22.  
  23. int round_near(float b)
  24. {
  25.     if((b - (int)b)<0.5)
  26.         return(int)b;
  27.     else
  28.         return (int)b + 1;
  29. }
  30.  
  31.  
Success #stdin #stdout 0s 2012KB
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stdin
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Standard input is empty
stdout
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0.000000    0    0.000000    Nearest: 0    Function: 0    
0.100000    0    0.100000    Nearest: 0    Function: 0    
0.200000    0    0.200000    Nearest: 0    Function: 0    
0.300000    0    0.300000    Nearest: 0    Function: 0    
0.400000    0    0.400000    Nearest: 0    Function: 0    
0.500000    0    0.500000    Nearest: 1    Function: 1    
0.600000    0    0.600000    Nearest: 1    Function: 1    
0.700000    0    0.700000    Nearest: 1    Function: 1    
0.800000    0    0.800000    Nearest: 1    Function: 1    
0.900000    0    0.900000    Nearest: 1    Function: 1    
1.000000    1    0.000000    Nearest: 1    Function: 1    
1.100000    1    0.100000    Nearest: 1    Function: 1    
1.200000    1    0.200000    Nearest: 1    Function: 1    
1.300000    1    0.300000    Nearest: 1    Function: 1    
1.400000    1    0.400000    Nearest: 1    Function: 1    
1.500000    1    0.500000    Nearest: 2    Function: 2    
1.600000    1    0.600000    Nearest: 2    Function: 2    
1.700000    1    0.700000    Nearest: 2    Function: 2    
1.800000    1    0.800000    Nearest: 2    Function: 2    
1.900000    1    0.900000    Nearest: 2    Function: 2
https://ideone.com/TLKAiL
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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