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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     float num;
  5.  
  6.     printf("Enter a number: ");
  7.     scanf("%f", &num);
  8.  
  9.     //crosscheck if number is positive, negative, or zero
  10.  
  11.     if (num > 0) {
  12.         printf("%.2f is a positive number.\n", num);
  13.     } else if (num < 0) {
  14.         printf("%.2f is a negative number.\n", num);
  15.     } else {
  16.         printf("You entered zero.\n");
  17.     }
  18.  
  19.     return 0;
  20. }
  21.  
  22.  
Success #stdin #stdout 0s 5240KB
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stdin
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Standard input is empty
stdout
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Enter a number: 0.00 is a positive number.
https://ideone.com/0hd9OL
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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