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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int a,b,c;
  5.     for(a=1;a<=9;a++)
  6. {
  7.  
  8.     for(b=1;b<=a;b++)
  9.     {
  10.     c=a*b;
  11.     printf("%4d",c);
  12.  
  13.     }
  14.  
  15.    printf("\n");
  16.  
  17. }
  18.  
  19.  
  20. 	return 0;
  21. }
  22.  
Success #stdin #stdout 0s 5296KB
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stdin
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Standard input is empty
stdout
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   1
   2   4
   3   6   9
   4   8  12  16
   5  10  15  20  25
   6  12  18  24  30  36
   7  14  21  28  35  42  49
   8  16  24  32  40  48  56  64
   9  18  27  36  45  54  63  72  81
https://ideone.com/4XlfL5
language:
C (gcc 8.3)
created:
9 hours ago
visibility:
public

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