岁月悠悠，衰微只及肌肤；热忱抛却，颓唐必至灵魂。

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1168 Prime Day
PAT

1168 Prime Day

The above picture is from Sina Weibo, showing May 23rd, 2019...
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Post on 2024-03-08 573 0
1169 The Judger
PAT

1169 The Judger

A game of numbers has the following rules: at the beginning,...
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Post on 2024-03-08 316 0
1034 Head of a Gang
《算法笔记》

1034 Head of a Gang

One way that the police finds the head of a gang is to check...
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Post on 2024-03-07 329 0
1178 File Path
《算法笔记》

1178 File Path

The figure shows the tree view of directories in Windows Fil...
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Post on 2024-03-06 322 0
1176 The Closest Fibonacci Number
《算法笔记》

1176 The Closest Fibonacci Number

The Fibonacci sequence $F_n$ is defined by $F_{n+2}=F_{n+1}+...
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Post on 2024-03-06 342 0
1043 Is It a Binary Search Tree
《算法笔记》

1043 Is It a Binary Search Tree

A Binary Search Tree (BST) is recursively defined as a binar...
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Post on 2024-03-05 322 0
1053 Path of Equal Weight
《算法笔记》

1053 Path of Equal Weight

Given a non-empty tree with root R, and with weight $W_i$​ a...
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Post on 2024-03-05 345 0
《算法笔记》

1020 Tree Traversals

Suppose that all the keys in a binary tree are distinct posi...
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Post on 2024-03-04 320 0
1052 Linked List Sorting
《算法笔记》

1052 Linked List Sorting

A linked list consists of a series of structures, which are ...
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Post on 2024-03-04 328 0
1032 Sharing
《算法笔记》

1032 Sharing

To store English words, one method is to use linked lists an...
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Post on 2024-03-04 325 0