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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int i,j,k;
  5.     for(i=1;i<=9;i++){
  6.     printf("iの段:");
  7.      for(j=1;j<=9;j++){
  8.       k=i*j;
  9.      printf("%3d",k);
  10.      }
  11.     printf("\n");
  12.     }
  13. 	return 0;
  14. }
  15.  
Success #stdin #stdout 0s 5320KB
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stdin
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Standard input is empty
stdout
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iの段:  1  2  3  4  5  6  7  8  9
iの段:  2  4  6  8 10 12 14 16 18
iの段:  3  6  9 12 15 18 21 24 27
iの段:  4  8 12 16 20 24 28 32 36
iの段:  5 10 15 20 25 30 35 40 45
iの段:  6 12 18 24 30 36 42 48 54
iの段:  7 14 21 28 35 42 49 56 63
iの段:  8 16 24 32 40 48 56 64 72
iの段:  9 18 27 36 45 54 63 72 81
https://ideone.com/VA6dY3
5-1
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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