此文同步发布在CSDN:https://blog.csdn.net/weixin_44385565/article/details/90484058 1105 Spiral Matrix (25 分)   This time your job is to fill a sequence of N positive integers into a spiral matrix in non-increasing order. A spiral matrix is filled in from the…

https://pintia.cn/problem-sets/994805342720868352/problems/994805363117768704 This time your job is to fill a sequence of N positive integers into a spiral matrix in non-increasing order. A spiral matrix is filled in from the first element at the upp…

题意:输入一个正整数N(实则<=1e5),接着输入一行N个正整数(<=1e4).降序输出螺旋矩阵. trick: 测试点1,3运行超时原因:直接用sqrt(N)来表示矩阵的宽会在N是素数时出错,直接扫一遍找一个最大因子即可,简单粗暴. AAAAAccepted code: #define HAVE_STRUCT_TIMESPEC #include<bits/stdc++.h> using namespace std; ]; ][]; int main(){ ios::sync_wi…

This time your job is to fill a sequence of N positive integers into a spiral matrix in non-increasing order. A spiral matrix is filled in from the first element at the upper-left corner, then move in a clockwise spiral. The matrix has m rows and n c…

This time your job is to fill a sequence of N positive integers into a spiral matrix in non-increasing order. A spiral matrix is filled in from the first element at the upper-left corner, then move in a clockwise spiral. The matrix has m rows and n c…

1020 Tree Traversals (25分)   Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to output the level order traversal sequence of the corresponding binary tre…

1146 Topological Order (25 分)   This is a problem given in the Graduate Entrance Exam in 2018: Which of the following is NOT a topological order obtained from the given directed graph? Now you are supposed to write a program to test each of the optio…

1071 Speech Patterns (25 分)   People often have a preference among synonyms of the same word. For example, some may prefer "the police", while others may prefer "the cops". Analyzing such patterns can help to narrow down a speaker's id…

1063 Set Similarity (25 分)   Given two sets of integers, the similarity of the sets is defined to be /, where N​c​​ is the number of distinct common numbers shared by the two sets, and N​t​​ is the total number of distinct numbers in the two sets. Yo…

1059 Prime Factors (25 分)   Given any positive integer N, you are supposed to find all of its prime factors, and write them in the format N = p​1​​​k​1​​​​×p​2​​​k​2​​​​×⋯×p​m​​​k​m​​​​. Input Specification: Each input file contains one test case whi…