Problem4687--杨辉三角变形

4687: 杨辉三角变形

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Time Limit : 1.000 sec  Memory Limit : 256 MiB

SubmitSolved: 2Submit Num: 8StatisticsShowOff!

Description

Sample 1 Input 

12

Sample 1 Output 

            1
           1 1 
          1 0 1 
         1 1 1 1 
        1 0 0 0 1 
       1 1 0 0 1 1 
      1 0 1 0 1 0 1 
     1 1 1 1 1 1 1 1 
    1 0 0 0 0 0 0 0 1 
   1 1 0 0 0 0 0 0 1 1 
  1 0 1 0 0 0 0 0 1 0 1
 1 1 1 1 0 0 0 0 1 1 1 1

HINT 

a[i][j]=a[i-1][j]^a[i-1][j-1];

Source/Category

 
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