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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4.  
  5. 	int a,b;
  6.  
  7. 	for(a=1; a<=9; a++)
  8.  
  9. {printf("%dの段：",a);
  10.  
  11. 	for(b=1; b<=9; b++)
  12. {
  13. 	printf("%3d",a*b);}
  14.  
  15. 	printf("\n");
  16. }
  17.  
  18.  
  19.  
  20. 	return 0;
  21. }
  22.  
Success #stdin #stdout 0s 5308KB
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stdin
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Standard input is empty
stdout
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1の段：  1  2  3  4  5  6  7  8  9
2の段：  2  4  6  8 10 12 14 16 18
3の段：  3  6  9 12 15 18 21 24 27
4の段：  4  8 12 16 20 24 28 32 36
5の段：  5 10 15 20 25 30 35 40 45
6の段：  6 12 18 24 30 36 42 48 54
7の段：  7 14 21 28 35 42 49 56 63
8の段：  8 16 24 32 40 48 56 64 72
9の段：  9 18 27 36 45 54 63 72 81
https://ideone.com/5BdvcR
language:
C (gcc 8.3)
created:
10 hours ago
visibility:
public

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