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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4.     int i,j,a;
  5.     for(i=1;i<=9;i++){
  6.         printf("%dの段：",i);
  7.         for(j=1;j<=9;j++){
  8.         a = i*j;
  9.         printf("%3d",a);
  10.         }
  11.     printf("\n");
  12.     }
  13. 	return 0;
  14. }
Success #stdin #stdout 0s 5312KB
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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/7Fioya
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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