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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int a=0,b=0;
  5. 	if(a==0)
  6. 	{
  7. 		int d;
  8. 		d=5;
  9. 	}
  10. 	printf("%d%d%d",a,b,d);
  11. 	return 0;
  12. }
  13.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.c: In function ‘main’:
prog.c:7:7: warning: variable ‘d’ set but not used [-Wunused-but-set-variable]
   int d;
       ^
prog.c:10:22: error: ‘d’ undeclared (first use in this function)
  printf("%d%d%d",a,b,d);
                      ^
prog.c:10:22: note: each undeclared identifier is reported only once for each function it appears in
stdout
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Standard output is empty
https://ideone.com/TL5arw
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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