原题链接:https://www.patest.cn/contests/pat-a-practise/1121
1121. Damn Single (25)
"Damn Single (单身狗)" is the Chinese nickname for someone who is
原题链接:https://www.patest.cn/contests/pat-a-practise/1120
1120. Friend Numbers (20)
Two integers are called "friend numbers" if they share the same sum of their
原题链接:https://www.patest.cn/contests/pat-a-practise/1119
1119. Pre- and Post-order Traversals (30)
Suppose that all the keys in a binary tree are distinct positive
原题链接:https://www.patest.cn/contests/pat-a-practise/1118
1118. Birds in Forest (25)
Some scientists took pictures of thousands of birds in a forest. Assume
原题链接:https://www.patest.cn/contests/pat-a-practise/1117
1117. Eddington Number(25)
"British astronomer Eddington liked to ride a bike. It is said that in order
原题链接:https://www.patest.cn/contests/pat-a-practise/1116
1116. Come on! Let's C (20)
"Let's C" is a popular and fun programming contest hosted by the College
原题链接:https://www.patest.cn/contests/pat-a-practise/1111
1111. Online Map (30)
Input our current position and a destination, an online map can recommend
原题链接:https://www.patest.cn/contests/pat-a-practise/1110
1110. Complete Binary Tree (25)
Given a tree, you are supposed to tell if it is a complete binary tree.
原题链接:https://www.patest.cn/contests/pat-a-practise/1109
1109. Group Photo (25)
Formation is very important when taking a group photo. Given the rules of
原题链接:https://www.patest.cn/contests/pat-a-practise/1064
1064. Complete Binary Search Tree (30)
A Binary Search Tree (BST) is recursively defined as a binary tree