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  1.  #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main()
  5. {
  6.     int n;
  7.     if(scanf("%d", &n) != 1) return 0; 
  8.  
  9.     while(1)
  10.     {
  11.         printf("%d\n%d", n*2, n/2); 
  12.  
  13.  
  14.         if(scanf("%d", &n) != 1) 
  15.             break; 
  16.  
  17.  
  18.         printf("\n\n");
  19.     }
  20.  
  21.     return 0;
  22. }
Success #stdin #stdout 0.01s 5288KB
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stdin
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stdout
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https://ideone.com/djg1l0
language:
C (gcc 8.3)
created:
9 days ago
visibility:
public

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