balls7.std

本光盘是《国际大学生程序设计竞赛例题解（一）》的配套光盘

0 bababa  bababa
1 b  abaabbababa
2 bbaa  abbababa
3 bbaaababbab  a
4 bbaaa  bbabbaa
5 bbaaaabbb  baa
6   aaaabbbbbbaa
7 aaaaaabbbbbb  

0 ababab  ababab
1 ab  ababababab
2 abbaa  bababab
3 abbaaabb  abab
4 abbaaabbbaa  b
5 a  aaabbbaabbb
6 aaaaaabbb  bbb

0 bbbbbb  aaaaaa
1 bbbbbbaa  aaaa
2   bbbbaabbaaaa
3 aabbbbaabb  aa
4 aa  bbaabbbbaa
5 aaaabbaabbbb  
6 aaaa  aabbbbbb