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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int a,b,i,j;
  5. 	printf("    ");
  6. 	for(i=1;i<10;i++)
  7. 	{
  8. 		printf(" %2d |",i);
  9. 	}
  10. 	printf("\n=================================================\n");
  11. 	for(i=1;i<10;i++)
  12. 	{
  13. 		printf("%2d ||",i);
  14. 		for(j=1;j<10;j++)
  15. 		{
  16. 			printf(" %2d |",i*j);
  17. 		}
  18.  
  19. 	printf("\n-------------------------------------------------\n");
  20. 	}
  21. 	return 0;
  22. }
  23.  
Success #stdin #stdout 0.01s 5320KB
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stdin
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Standard input is empty
stdout
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      1 |  2 |  3 |  4 |  5 |  6 |  7 |  8 |  9 |
=================================================
 1 ||  1 |  2 |  3 |  4 |  5 |  6 |  7 |  8 |  9 |
-------------------------------------------------
 2 ||  2 |  4 |  6 |  8 | 10 | 12 | 14 | 16 | 18 |
-------------------------------------------------
 3 ||  3 |  6 |  9 | 12 | 15 | 18 | 21 | 24 | 27 |
-------------------------------------------------
 4 ||  4 |  8 | 12 | 16 | 20 | 24 | 28 | 32 | 36 |
-------------------------------------------------
 5 ||  5 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 |
-------------------------------------------------
 6 ||  6 | 12 | 18 | 24 | 30 | 36 | 42 | 48 | 54 |
-------------------------------------------------
 7 ||  7 | 14 | 21 | 28 | 35 | 42 | 49 | 56 | 63 |
-------------------------------------------------
 8 ||  8 | 16 | 24 | 32 | 40 | 48 | 56 | 64 | 72 |
-------------------------------------------------
 9 ||  9 | 18 | 27 | 36 | 45 | 54 | 63 | 72 | 81 |
-------------------------------------------------
https://ideone.com/4enWLn
language:
C (gcc 8.3)
created:
22 hours ago
visibility:
public

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