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  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5.  
  6. 	int i, j,z;
  7. 		printf("1の段 : ");
  8. 	for ( i=1; i<10; i++){
  9. 		for ( j=1; j<10; j++){
  10. 		printf("%d    ", i*j );	
  11. 		}
  12. 		if(z<9){
  13. 		printf("\n%dの段 : ",i+1);
  14. 		z=i+1;
  15. 	}
  16. 	}
  17.  
  18.        return 0;
  19. }
  20.  
Success #stdin #stdout 0s 5284KB
comments (?)
stdin 
Standard input is empty
stdout 
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/OM69Ay
language:
C (gcc 8.3)
created:
11 days ago
visibility:
public

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