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  1. /* Helloプログラム */
  2.  
  3. #include <stdio.h>
  4.  
  5. main( )
  6. {
  7. int a, b;
  8.  
  9. for(a = 1; a<= 9; a ++){
  10. for(b =1; b<= 9; b ++){
  11. printf(" %d" , a*b );
  12. }
  13. printf("\n");
  14. }
  15. }
Success #stdin #stdout 0.01s 5288KB
stdin
Standard input is empty
stdout
 1 2 3 4 5 6 7 8 9
 2 4 6 8 10 12 14 16 18
 3 6 9 12 15 18 21 24 27
 4 8 12 16 20 24 28 32 36
 5 10 15 20 25 30 35 40 45
 6 12 18 24 30 36 42 48 54
 7 14 21 28 35 42 49 56 63
 8 16 24 32 40 48 56 64 72
 9 18 27 36 45 54 63 72 81