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  1. #include<stdio.h>
  2.  
  3. int main()
  4.  
  5. {
  6.  
  7. 	int a[i];
  8.  
  9. 	for(i=0;i<10;i++)
  10.  
  11. 	{
  12.  
  13. 		scanf("%d",&a[i]);
  14.  
  15. 	}
  16.  
  17. 	for(i=0;i<10;i++)
  18.  
  19. 	{
  20.  
  21. 		if(a[i]%2==0&&a[i]%3==0)
  22.  
  23. 		printf("%d is not a prime num",a[i]);
  24.  
  25. 		else
  26.  
  27. 		printf("%d is a prime num",a[i]);
  28.  
  29. 	}
  30.  
  31. 	return 0;
  32.  
  33. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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1 2 3 4 5 6 7 8 9 10
compilation info 
prog.c: In function ‘main’:
prog.c:7:8: error: ‘i’ undeclared (first use in this function)
  int a[i];
        ^
prog.c:7:8: note: each undeclared identifier is reported only once for each function it appears in
prog.c:7:6: warning: unused variable ‘a’ [-Wunused-variable]
  int a[i];
      ^
stdout
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Standard output is empty
https://ideone.com/dpnd62
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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