PAT (Top Level) Practice 1004 To Buy or Not to Buy - Hard Version(深搜枚举+众多剪枝)

1004 To Buy or Not to Buy - Hard Version (35 分)html Eva would like to make a string of beads with her favorite colors so she went to a small shop to buy some beads. There were many colorful strings of
相关文章
相关标签/搜索