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全部文章 / 未归档（共131篇）

Minimax （预处理）（枚举）

You are given a grid consisting of n rows each of which is dived into m columns. The rows are numbered from 1 to n from top to bottom, and the columns...

2018-12-16

0 499

Even Numbers（找规律）（组合数杨辉三角）（二进制）

Yousef loves playing with functions in his free time. Today, he invents the following function: Yousef will give you a list of queries, and you need ...

2018-12-16

0 584

Cyclic Shift（字符串匹配水题）

You are given two strings a and b of the same length and consisting of lowercase English letters. You can pick at most one subsequence of string b and...

2018-12-16

0 849

Shortest Path!（最短路模拟）

Today, Husam was visiting his grandmother. Husam always takes a path such that the total distance he will walk is as minimum as possible. Husam decide...

2018-12-16

0 514

Multiplication Dilemma（乘法技巧模拟）

Multiplication operation is not always easy! For example, it is hard to calculate 27 × 20 using your mind, but it is easier to find the answer using t...

2018-12-16

0 629

Beautiful Substrings（预处理）（思维 + 后缀和）

You are given two strings a and b consisting of lowercase English letters. A beautiful substring is defined as a substring of any length of string b s...

2018-12-16

0 584

The Fewest Coins （多重背包+完全背包）（鸽巢原理）

Farmer John has gone to town to buy some farm supplies. Being a very efficient man, he always pays for his goods in such a way that the smallest numbe...

2018-12-11

0 698

分离链接法的删除操作函数

6-23 分离链接法的删除操作函数（20 分）试实现分离链接法的删除操作函数。函数接口定义： bool Delete( HashTable H, ElementType Key ); 其中HashTable是分离链接散列表，定义如下： typedef struct LNode *P...

2018-12-10

0 878

整型关键字的散列映射

7-11 整型关键字的散列映射（25 分）给定一系列整型关键字和素数P，用除留余数法定义的散列函数将关键字映射到长度为P的散列表中。用线性探测法解决冲突。输入格式: 输入第一行首先给出两个正整数N（≤1000）和P（≥N的最小素数），分别为待插入的关键字总数、以及散列表的长度。第二行给出...

2018-12-10

0 557

Covering（4*n铺瓷砖）

Bob’s school has a big playground, boys and girls always play games here after school. To protect boys and girls from getting hurt when playing happi...

2018-12-09

0 444