D进制下的数是否是回文
A1020 Tree Traversals (25 point(s))
后+中=层
A1021 Deepest Root (25 point(s))
DFS求最深叶结点
A1022 Digital Library (30 point(s))
不同部分排序
A1023 Have Fun with Numbers (20 point(s))
大整数相乘
A1024 Palindromic Number (25 point(s))
数字各位递增,增减排序后相加的数为回文
A1025 PAT Ranking (25 point(s))
名次排序
A1026 Table Tennis (30 point(s))
排序
A1027 Colors in Mars (20 point(s))
进制转换
A1028 List Sorting (25 point(s)
不同部分排序