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全部文章（共355篇）

笔试题(二)

笔试题(二) 题目1 给定一个正整数n,求满足i+j=n的质数对的个数。比如10，有两组(i,j)满足条件，分别为（3,7）、（5,5）。样例输入： 10 样例输出 2 程序代码： #include<stdio.h> #include<math.h> i...

2016-09-12

0 418

笔试题（一）

笔试题（一）输入一个正整数n(n<=100),按照规定格式打印出来。输出只包含数字、*号和换行符。不允许多余的空格。样例输入： 5 样例输出 1 3*2 4*5*6 10*9*8*7 11*12*13*14*15 程序代码： #include<stdio.h> ...

2016-09-12

0 467

PAT-A 1088. Rational Arithmetic

1088. Rational Arithmetic For two rational numbers, your task is to implement the basic arithmetics, that is, to calculate their sum, difference, pro...

2016-08-14

0 651

PAT-A 1078. Hashing

1078. Hashing The task of this problem is simple: insert a sequence of distinct positive integers into a hash table, and output the positions of the ...

2016-08-14

0 462

PAT-A 1090. Highest Price in Supply Chain

1090. Highest Price in Supply Chain A supply chain is a network of retailers（零售商）, distributors（经销商）, and suppliers（供应商）– everyone involved in moving...

2016-08-14

0 696

PAT-A 1064. Complete Binary Search Tree

1064. Complete Binary Search Tree A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties: The left...

2016-08-14

0 448

PAT-A 1009. Product of Polynomials

1009. Product of Polynomials This time, you are supposed to find A*B where A and B are two polynomials. Input Specification: Each input file contai...

2016-08-13

0 400

PAT-A 1002.A+B for Polynomials

1002. A+B for Polynomials This time, you are supposed to find A+B where A and B are two polynomials. Input Each input file contains one test case. ...

2016-08-13

0 502

PAT-A 1004.Counting Leaves

1004. Counting Leaves A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members who have no child. Input...

2016-08-13

0 504

PAT-A 1094. The Largest Generation

1094. The Largest Generation A family hierarchy is usually presented by a pedigree tree where all the nodes on the same level belong to the same gene...

2016-08-13

0 453