array of array 问题

choose2005

对除去第一列进行比较（第一列为名字）
a 1,2,3,4,5,6,7,8,9,10,11
b,1,2,3,4,5,6,7,8,9,1,11
c,1,2,3,4,5,6,9,8,7,10,12
d,1,20,3,4,5,6,9,8,7,10,12
e,1,2,3,4,5,6,10,13,4,9,8

即对
1,2,3,4,5,6,7,8,9,10,11
1,2,3,4,5,6,7,8,9,1,11
1,2,3,4,5,6,9,8,7,10,12
1,20,3,4,5,6,9,8,7,10,12
1,2,3,4,5,6,10,13,4,9,8
进行比较

如果每行和其他的行有少于2个不同元素的视为一类，多于2个元素的，则为另外一类

即 分为三类
1,2,3,4,5,6,7,8,9,10,11
1,2,3,4,5,6,7,8,9,1,11

1,2,3,4,5,6,9,8,7,10,12
1,20,3,4,5,6,9,8,7,10,12

1,2,3,4,5,6,10,13,4,9,8

choose2005

ding