1073 Scientific Notation(20 分) Scientific notation is the way that scientists easily handle very large numbers or very small numbers. The notation matches the regular expression [+-][1-9].[0-9]+E[+-][0-9]+ which means that the integer portion has exa…

1073 Scientific Notation (20 分)   Scientific notation is the way that scientists easily handle very large numbers or very small numbers. The notation matches the regular expression [+-][1-9].[0-9]+E[+-][0-9]+ which means that the integer portion has…

1073 Scientific Notation (20 分)   Scientific notation is the way that scientists easily handle very large numbers or very small numbers. The notation matches the regular expression [+-][1-9].[0-9]+E[+-][0-9]+ which means that the integer portion has…

1073 Scientific Notation (20 分) Scientific notation is the way that scientists easily handle very large numbers or very small numbers. The notation matches the regular expression [+-][1-9].[0-9]+E[+-][0-9]+ which means that the integer portion has ex…

Scientific notation is the way that scientists easily handle very large numbers or very small numbers. The notation matches the regular expression [+-][1-9].[0-9]+E[+-][0-9]+ which means that the integer portion has exactly one digit, there is at lea…

科学计数法是科学家用来表示很大或很小的数字的一种方便的方法,其满足正则表达式 [+-][1-9].[0-9]+E[+-][0-9]+,即数字的整数部分只有 1 位,小数部分至少有 1 位,该数字及其指数部分的正负号即使对正数也必定明确给出. 现以科学计数法的格式给出实数 A,请编写程序按普通数字表示法输出 A,并保证所有有效位都被保留. 输入格式: 每个输入包含 1 个测试用例,即一个以科学计数法表示的实数 A.该数字的存储长度不超过 9999 字节,且其指数的绝对值不超过 9999. 输出格式…

Scientific notation is the way that scientists easily handle very large numbers or very small numbers. The notation matches the regular expression [+-][1-9].[0-9]+E[+-][0-9]+ which means that the integer portion has exactly one digit, there is at lea…

题目如下: Scientific notation is the way that scientists easily handle very large numbers or very small numbers. The notation matches the regular expression [+-][1-9]"."[0-9]+E[+-][0-9]+ which means that the integer portion has exactly one digit, th…

Scientific notation is the way that scientists easily handle very large numbers or very small numbers. The notation matches the regular expression [+-][1-9].[0-9]+E[+-][0-9]+ which means that the integer portion has exactly one digit, there is at lea…

简单模拟题. #include<cstdio> #include<cstring> #include<cmath> #include<vector> #include<map> #include<stack> #include<queue> #include<string> #include<algorithm> using namespace std; ]; int p; int main() {…

题意:给出科学计数法的格式的数字A,要求输出普通数字表示法,所有有效位都被保留,包括末尾的0. 分两种情况,一种E+,一种E-.具体情况具体分析╮(╯_╰)╭ #include <iostream> #include <cstdio> #include <algorithm> #include <string.h> #include <cmath> #define POSITIVE 1 #define NEGATIVE 2 using names…

题意: 输入科学计数法输出它表示的数字. AAAAAccepted code: #define HAVE_STRUCT_TIMESPEC #include<bits/stdc++.h> using namespace std; string s; ]; int main(){ ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); cin>>s; int n=s.size(); ]=='-') cout<<…

题意: 给出科学计数法的形式,转化成常规的表示,要求保留所有的有效位数 思路:纯粹的字符串处理问题,注意边界条件即可.如+1.23E+02这种,转化后是123,既不需要补0,也不需要添加小数点. 代码: #include <iostream> #include <string> using namespace std; string change(string str) { string ans,sign; ]=='-') sign="-"; str.erase…

Source: PAT A1073 Scientific Notation (20 分) Description: Scientific notation is the way that scientists easily handle very large numbers or very small numbers. The notation matches the regular expression [+-][1-9].[0-9]+E[+-][0-9]+ which means that…

Scientific notation is the way that scientists easily handle very large numbers or very small numbers. The notation matches the regular expression [+-][1-9].[0-9]+E[+-][0-9]+ which means that the integer portion has exactly one digit, there is at lea…

    This is a known issue, you can find more in internet. Excel will treat text(can display with number) more than 11 numbers, it will convert to scientific notation display. It is not an issue now, but if your text content length is more than 15, th…

Scientific notation is the way that scientists easily handle very large numbers or very small numbers. The notation matches the regular expression [+-][1-9]"."[0-9]+E[+-][0-9]+ which means that the integer portion has exactly one digit, there is…

PAT 1073. 多选题常见计分法 批改多选题是比较麻烦的事情,有很多不同的计分方法.有一种最常见的计分方法是:如果考生选择了部分正确选项,并且没有选择任何错误选项,则得到50%分数:如果考生选择了任何一个错误的选项,则不能得分.本题就请你写个程序帮助老师批改多选题,并且指出哪道题的哪个选项错的人最多. 输入格式: 输入在第一行给出两个正整数N(<=1000)和M(<=100),分别是学生人数和多选题的个数.随后M行,每行顺次给出一道题的满分值(不超过5的正整数).选项个数(不少于2且不超过…

1073 多选题常见计分法(20 分) 批改多选题是比较麻烦的事情,有很多不同的计分方法.有一种最常见的计分方法是:如果考生选择了部分正确选项,并且没有选择任何错误选项,则得到 50% 分数:如果考生选择了任何一个错误的选项,则不能得分.本题就请你写个程序帮助老师批改多选题,并且指出哪道题的哪个选项错的人最多. 输入格式: 输入在第一行给出两个正整数 N(≤1000)和 M(≤100),分别是学生人数和多选题的个数.随后 M 行,每行顺次给出一道题的满分值(不超过 5 的正整数).选项个数(不少…

批改多选题是比较麻烦的事情,有很多不同的计分方法.有一种最常见的计分方法是:如果考生选择了部分正确选项,并且没有选择任何错误选项,则得到50%分数:如果考生选择了任何一个错误的选项,则不能得分.本题就请你写个程序帮助老师批改多选题,并且指出哪道题的哪个选项错的人最多. 输入格式: 输入在第一行给出两个正整数N(<=1000)和M(<=100),分别是学生人数和多选题的个数.随后M行,每行顺次给出一道题的满分值(不超过5的正整数).选项个数(不少于2且不超过5的正整数).正确选项个数(不超过选项…

#include <iostream> using namespace std; string a; int expo; int dotPos; int expoPos; int i; int main(){ cin>>a; if(a[0]=='+'||a[0]=='-'){ if(a[0]=='-'){cout<<"-";} a.erase(a.begin()); } for(i=0;i<a.size();i++){ if(a[i]=='.'…

批改多选题是比较麻烦的事情,有很多不同的计分方法.有一种最常见的计分方法是:如果考生选择了部分正确选项,并且没有选择任何错误选项,则得到 50% 分数:如果考生选择了任何一个错误的选项,则不能得分.本题就请你写个程序帮助老师批改多选题,并且指出哪道题的哪个选项错的人最多. 输入格式: 输入在第一行给出两个正整数 N(≤1000)和 M(≤100),分别是学生人数和多选题的个数.随后 M 行,每行顺次给出一道题的满分值(不超过 5 的正整数).选项个数(不少于 2 且不超过 5 的正整数).正确选…

2019/4/3 1063 Set Similarity n个序列分别先放进集合里去重.在询问的时候,遍历A集合中每个数,判断下该数在B集合中是否存在,统计存在个数(分子),分母就是两个集合大小减去分子. // 1063 Set Similarity #include <set> #include <map> #include <cstdio> #include <iostream> #include <algorithm> using name…

博主欢迎转载,但请给出本文链接,我尊重你,你尊重我,谢谢~http://www.cnblogs.com/chenxiwenruo/p/6102219.html特别不喜欢那些随便转载别人的原创文章又不给出链接的所以不准偷偷复制博主的博客噢~~ 时隔两年,又开始刷题啦,这篇用于PAT甲级题解,会随着不断刷题持续更新中,至于更新速度呢,嘿嘿,无法估计,不知道什么时候刷完这100多道题. 带*的是我认为比较不错的题目,其它的难点也顶多是细节处理的问题~ 做着做着,发现有些题目真的是太水了,都不想写题解了…

树(23) 备注 1004 Counting Leaves   1020 Tree Traversals   1043 Is It a Binary Search Tree 判断BST,BST的性质 1053 Path of Equal Weight   1064 Complete Binary Search Tree 完全二叉树的顺序存储,BST的性质 1066 Root of AVL Tree 构建AVL树,模板题,需理解记忆 1079 Total Sales of Supply Chain…

本文为PAT甲级分类汇编系列文章. 计算类,指以数学运算为主或为背景的题. 题号 标题 分数 大意 1058 A+B in Hogwarts 20 特殊进制加法 1059 Prime Factors 25 分解素因数 1060 Are They Equal 25 一定精度下两数是否相等 1065 A+B and C (64bit) 20 大数加法与比较 1069 The Black Hole of Numbers 20 黑洞数 1073 Scientific Notation 20 科学计数法还…

今天开个坑,分类整理PAT甲级题目(https://pintia.cn/problem-sets/994805342720868352/problems/type/7)中1051~1100部分.语言是modern C++. 为什么要整理呢,因为我2019年9月要考PAT甲级,虽然是第一次考,虽然只学了数据结构(https://mooc.study.163.com/course/1000033001?tid=2402970002#/info),但我要冲着高分(2019年9月8日更新:满分)去. 下…

今天下午的PAT考试状态不理想,回来怒刷了一遍,解题报告如下: 1073. Scientific Notation (20) 基本模拟题,将一长串的科学计数转换为普通的数字表示方式.思路是是数组存储输入,然后找到指数位置,并根据指数的大小和正负对前面的小数进行针对性的处理. #include <iostream> #include <cstring> #include <algorithm> using namespace std; class PAT{ public:…

大道至简,知易行难.希望能够坚持刷题. PAT甲级真题题库,附上我的代码. Label Title Score Code Level 1001 A+B Format 20 1001 * 1002 A+B for Polynomials 25 1002 * 1005 Spell It Right 20 1005 * 1008 Elevator 20 1008 * 1009 Product of Polynomials 25 1009 * 1011 World Cup Betting 20 1011…

题目AC汇总 甲级AC PAT A1001 A+B Format (20 分) PAT A1002 A+B for Polynomials(25) PAT A1005 Spell It Right (20) PAT A1006 Sign In and Sign Out (25) PAT A1009 Product of Polynomials(25) PAT A1011 World Cup Betting(20) PAT A1012 Best Rank(25) PAT A1016 Phone B…