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  1. #include <stdio.h>
  2. int main (void) {
  3.  
  4. 	int number; /* a number for input */
  5.  
  6.     printf ("Enter an integer value: ");
  7.     scanf ("%i", &number);
  8.  
  9.     /* An inefficient set of conditional if statements */
  10.     if (number > 0 )
  11.         printf ("\nNumber is positive");
  12.     if (number < 0 )
  13.         printf ("\nNumber is negative");
  14.     if (number == 0 )
  15.         printf ("\nNumber is zero");
  16.  
  17.     /* An efficient set of conditional else if statements */     
  18.     if (number > 0 )
  19.         printf ("\nNumber is positive");
  20.     else if ( number < 0 )
  21.         printf ("\nNumber is negative");
  22.     else
  23.         printf ("\nNumber is zero");
  24.  
  25. 	return 0;
  26. }
Success #stdin #stdout 0.01s 5284KB
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stdin
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5
stdout
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Enter an integer value: 
Number is positive
Number is positive
https://ideone.com/o3nZRF
language:
C (gcc 8.3)
created:
9 days ago
visibility:
public

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