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全部文章 / PAT （共32篇）

PAT(链表)——1074. Reversing Linked List (25)

Given a constant K and a singly linked list L, you are supposed to reverse the links of every K elements on L. For example, given L being 1→2→3→4→5→6,...

PAT

2019-02-02

0 394

PAT(链表)——1097. Deduplication on a Linked List (25)

Given a singly linked list L with integer keys, you are supposed to remove the nodes with duplicated absolute values of the keys. That is, for each va...

PAT

2019-02-02

0 533

PAT(大数)——1023. Have Fun with Numbers (20)

Notice that the number 123456789 is a 9-digit number consisting exactly the numbers from 1 to 9, with no duplication. Double it we will obtain 2469135...

PAT

2019-02-03

0 385

PAT(大数)——1024. Palindromic Number (25)

A number that will be the same when it is written forwards or backwards is known as a Palindromic Number. For example, 1234321 is a palindromic number...

PAT

2019-02-03

0 393

PAT(二叉搜索树)——1064. Complete Binary Search Tree (30)

A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties: The left subtree of a node contains only nodes...

PAT

2019-02-04

0 498

PAT(贪心)——1033. To Fill or Not to Fill (25)

With highways available, driving a car from Hangzhou to any other city is easy. But since the tank capacity of a car is limited, we have to find gas s...

PAT

2019-02-04

0 845

PAT(贪心)——1037. Magic Coupon (25)

The magic shop in Mars is offering some magic coupons. Each coupon has an integer N printed on it, meaning that when you use this coupon with a produc...

PAT

2019-02-06

0 466

PAT(贪心)——1038. Recover the Smallest Number (30)

Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given {32, 321, 3214, 0229, 87}, we can...

PAT

2019-02-07

0 565

PAT(贪心)——1070. Mooncake (25)

Mooncake is a Chinese bakery product traditionally eaten during the Mid-Autumn Festival. Many types of fillings and crusts can be found in traditional...

PAT

2019-02-07

0 398

PAT(并查集)——1118. Birds in Forest (25)

Some scientists took pictures of thousands of birds in a forest. Assume that all the birds appear in the same picture belong to the same tree. You are...

PAT

2019-02-08

0 650