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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int dan=0,num=9;
  5. printf("몇 단?");
  6. scanf("%d",&dan);
  7.  
  8. while(num<=1)
  9. {
  10. printf("%d X %d = %d\n",dan,num,dan*num);
  11. num=num-1;
  12. }
  13. return 0;
  14. }
  15.  
Success #stdin #stdout 0s 4460KB
stdin
Standard input is empty
stdout
몇 단?