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새싹교실/2012/해보자/과제방

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    1       1
     2     2
      3   3
       4 4
        5
       6 6
      7   7
     8     8
    9       9

<해답>
#include <stdio.h>

int main(void){
   int i=0,j=0;

   for(i=0;i<9;i++){
      for(j=0;j<(i<=4?i:8-i);j++)
         printf(" ");
      printf("%d",i+1);
      for(j=0;j<(i<=4?7-2*i:2*(i-4)-1);j++)
         printf(" ");
      if(i!=4)
         printf("%d",i+1);
      printf("\n");
   }
   return 0;
}
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