原题链接 题目大意:给一个16位的数字,表示一个浮点数,按照规则转换成科学计数法表示. 解法:注释比较清楚了,注意浮点运算的四舍五入问题. 参考代码: #include<iostream> #include<cmath> #include<cstdio> #include<iomanip> #include<string.h> using namespace std; int main(){ char in[16],out[16]; int i,…

double值由外部传入 private void Compare(double value) { string text; ) //小数位后保留2位 { //小数点后保留2位小数 text = string.Format("{0:0.00}", value); } else { text = "; } } http://stackoverflow.com/questions/5658799/is-it-wrong-to-compare-a-double-to-0-like-…

Adding Reversed Numbers Time Limit: 2 Seconds      Memory Limit: 65536 KB The Antique Comedians of Malidinesia prefer comedies to tragedies. Unfortunately, most of the ancient plays are tragedies. Therefore the dramatic advisor of ACM has decided to…

http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=1405 要求找出4位数所有10进制.12进制.16进制他们各位数字之和相等. #include<cstdio> int getsum(int n,int k) { int sum=0; while(n) { sum+=n%k; n/=k; } return sum; } int main() { int n=1000; while(n<10000) { int sum1…

acm之pku题目分类 对ACM有兴趣的同学们可以看看 DP:  1011   NTA                 简单题  1013   Great Equipment     简单题  1024   Calendar Game       简单题  1027   Human Gene Functions   简单题  1037   Gridland            简单题  1052   Algernon s Noxious Emissions 简单题  1409   Commun…

以下是poj百道水题,新手可以考虑从这里刷起 搜索1002 Fire Net1004 Anagrams by Stack1005 Jugs1008 Gnome Tetravex1091 Knight Moves1101 Gamblers1204 Additive equations 1221 Risk1230 Legendary Pokemon1249 Pushing Boxes 1364 Machine Schedule1368 BOAT1406 Jungle Roads1411 Annive…

Dog & Gopher Time Limit: 2 Seconds      Memory Limit: 65536 KB A large field has a dog and a gopher. The dog wants to eat the gopher, while the gopher wants to run to safety through one of several gopher holes dug in the surface of the field.  Neithe…

Floating Point Math Your language isn't broken, it's doing floating point math. Computers can only natively store integers, so they need some way of representing decimal numbers. This representation comes with some degree of inaccuracy. That's why, m…

本章内容: Python 运算符(算术运算.比较运算.赋值运算.逻辑运算.成员运算) 基本数据类型(数字.布尔值.字符串.列表.元组.字典.set集合) for 循环 enumrate range和xrange 编码与进制转换 Python 运算符 1.算术运算: 2.比较运算: 3.赋值运算: 4.逻辑运算:  5.成员运算: 基本数据类型 1.数字 int(整型) 在32位机器上,整数的位数为32位,取值范围为-2**31-2**31-1,即-2147483648-2147483647 在6…

TileJSON TileJSON is an open standard for representing map metadata. License The text of this specification is licensed under a Creative Commons Attribution 3.0 United States License. However, the use of this spec in products and code is entirely fre…