很奇怪的问题,使用真机测试没有问题.但使用模拟器测试的时候就会报这样的错误,错误类型为:Code Sign Error 错误提示是这样:resource fork, Finder information, or similar detritus not allowed. 找了很多资料,说的都是一半一半,有的看了仍是无从下手.最后看到的处理方式是这样的: 首先关闭Xcode,打开终端: 进入DerivedData目录 cd ~/Library/Developer/Xcode/DerivedData…

题目链接:https://www.patest.cn/contests/pat-a-practise/1002 原题如下: This time, you are supposed to find A+B where A and B are two polynomials. Input Each input file contains one test case. Each case occupies 2 lines, and each line contains the information…

传送门 Problem Statement You are given a tree where each node is labeled from 1 to n. How many similar pairs(S) are there in this tree? A pair (A,B) is a similar pair if the following are true: node A is the ancestor of node B abs(A−B)≤T Input format: T…

[题目链接] This time, you are supposed to find A+B where A and B are two polynomials. Input Each input file contains one test case. Each case occupies 2 lines, and each line contains the information of a polynomial: K N1 aN1 N2 aN2 ... NK aNK, where K is…

Define on \(\mathbb{R}^d\) the normalized Gaussian measure\[ d \gamma(x)=\frac{1}{(2\pi)^{\frac{d}{2}}} e^{-\frac{|x|^2}{2}}dx\] Consider first the case \(d= 1\). The Taylor expansion of \(e^{-\frac{1}{2}x^2}\) at the point \(x\), with increment \(t\…

1002. A+B for Polynomials (25) This time, you are supposed to find A+B where A and B are two polynomials. Input Each input file contains one test case. Each case occupies 2 lines, and each line contains the information of a polynomial: K N1 aN1 N2 aN…

http://wenda.tianya.cn/question/4cb13da080ee34c9 be similar to后边既可以加物主代词又可以加人,即:be similar to sth/sbbe similar with后边只可以加人 ,即be similar with sb 例如:My problems are similar to yours.我的问题与你的类似.Wasps look similar to bees.黄蜂看上去很像蜜蜂.I have no similar with…

In mathematics, Legendre functions are solutions to Legendre's differential equation: In particular, it occurs when solving Laplace's equation (and relatedpartial differential equations) in spherical coordinates. The polynomials may be denoted by Pn(…

This time, you are supposed to find A*B where A and B are two polynomials. Input Specification: Each input file contains one test case. Each case occupies 2 lines, and each line contains the information of a polynomial: K N1 aN1 N2 aN2 ... NK aNK, wh…

题目链接:http://pat.zju.edu.cn/contests/pat-a-practise/1009 分析:简单题.相乘时指数相加,系数相乘即可,输出时按指数从高到低的顺序.注意点:多项式相乘后指数最高可达2000. 题目描述: This time, you are supposed to find A*B where A and B are two polynomials. Input Specification: Each input file contains one test…