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Simple and Easy-to-use calculator bc in Linux1. About bcBc is an arbitrary precision calculator language. It is usually used as a calculator in linux and is easy to use. It is equivalent to a calculator in windows.2. Supported OperatorsBasic mathematical operations: + addition-subtraction * multiplication/division ^ exponent % RemainderIt also supports expressions, logical operations, and mathematical functions.3. UseEnter

Tags: src strong ima Set OBA one net base infoThe BC command is a calculator language that supports interactive execution of arbitrary precision. Bash has built-in support for integer arithmetic, but it does not support floating-point operations, and the BC command can be very handy for floating-point operations, and of course integer arithmetic is no longer spoken.Arithmetic Operations advanced Operations

Ollivanders: makers of fine wands since 382 BC. Time Limit: 2000/1000 MS (Java/others) memory limit: 131072/65536 K (Java/Others)Total submission (s): 935 accepted submission (s): 523Problem descriptionin Diagon Alley, there is only one wand-seller, peeling gold letters over the door read ollivanders: makers of fine wands since 382 BC. A single wand lay on a faded purple cushion in the dusty window. A tinkl

Distribution MoneyTime limit:2000/1000 MS (java/others) Memory limit:65536/65536 K (java/others)Total submission (s): 276 Accepted Submission (s): 163Problem Descriptionafa want to distribution she money to somebody. She divide her money into n same parts. One who want to get the money can get more than one part. But if one man's money was more than the sum of all others '. He Shoule be punished. Each one of the get a part of the money would write down his ID on the that part.Inputthere is multi

In the morning to hit the VP hand faster than a problem, according to rank should be able to rise to blue, Div1 and div2 mixed game is really a good chance to cheat rating, but did not hit.At night to play BC and only after the water problem, B obviously two points or direct greedy scanning method, incredibly to violence fst ... Again when a hand-speed dog ...Incredibly fast hand over a water problem to get rid of the green name ...Continue to brush t

!./************************************************************************* > File name:code/bc/#ann/1001.cpp > Author:111qqz > Email: [email protected] > Created time:2015 July 25 Saturday 18:54 24 seconds ******************** ****************************************************/#include#include#include#include#include#include#includestring>#include#includeSet>#include#include#include#defineY0 ABC111QQZ#defineY1 HUST111QQZ#defineYn hez111qqz#defineJ

POG loves Szh IITime limit:4000/2000 MS (java/others) Memory limit:65536/65536 K (java/others)Total submission (s): 2115 Accepted Submission (s): 609Problem Descriptionpog and Szh is playing games. There is a sequence withNNumbers, Pog would choose a number a from the sequence. Szh would choose an another number named B from the rest of the sequence. Then the score'll be (A+B) mod p. They hope to get the largest score. and what is the largest score?Inputseveral groups of data (no more than

"ibase=2;obase=10000; Binary "|BC-convert binary to 16 binary (10000_b=16_d)ReadelfStringsLook for an ASCII string with a length greater than 4 in the binary file. For object file, do not find the text segment, but search all byte for other files.-A To object file also searches the text segment-Search each byte for both normal and object files--Treat each remaining parameter as a file name-O for each ASCII string found, output its offset at the same

complexity is always OK, huh? also tle .... Well, actually already found that n is less than or equal to 1e18, did not open long long but a long long will be WA ... No reason ... After the real end, changed the next, unexpectedly past ... And then I figured it out. Because there is a while not open long long when the binary system, do not know what to read into, while on the out, so the tle. T T is too young./************************************************************************* > File name:

The following methods can not install the BC calculatorCreate sh fileCheck------------------------------------------------------------------v#!/bin/Bashread-P"Please enter the first number"Aread-P"Please enter a second number"Becho"and the"' Expr $a +$b ' #第一种方法echo"and the"$[$a +$b] #第二种方法echo"and the"$ (Expr $a +$b) #第三种方法echo"and the"$ (($a +$b)) #第四种方法~They came up with the same result.Compare digital subtraction based on shell scripts no

1.bcCommon calculation Tools , and supports floating-point arithmetic:[Email protected] shell]# echo | Bc2floating point number accuracy problem not resolved[Email protected] shell]# echo "1.2*1.2" | Bc1.4[Email protected] shell]# echo "scale=2;1.2*1.2" | Bc1.44[Email protected] shell]# echo "5.0/3.0" | Bc1[Email protected] shell]# echo "scale=2;5.0/6.0" |BC.832.expr floating-point arithmetic not supported, note operators have spaces around

execution: Java-jar. DsaAs for what is this? This question I have asked the great God for everyone, the great God says the world is very big, he wants to see2. Error during commissioning: Java.lang.SecurityException:JCE cannot authenticate the provider BCThis problem Baidu is not solved, is Google to solve, Google has an explanation is very clear complete blog, the original address: http://download.csdn.net/detail/tomliguocai/3945936Worship the Great GodThe following are the specific workaround

BC Paradigm (BCNF)关系模式RU，F>∈1NF，若X→Y且Y ? X时X必包含码，则RU，F> ∈BCNF。这个定义表明，如果非平凡的FD X→Y中X不包含码，那么Y必定传递依赖于候选键，因此R不是BCNF模式。等价于：每一个决定属性因素都包含码如果关系模式R是1NF，且每个属性（包括主属性和非主属性）都不传递依赖于R的候选码，那么称R是BCNF的模式。若R∈BCNF 所有非主属性对每一个码都是完全函数依赖所有的主属性对每一个不包含它的码，也是完全函数依赖没有任何属性完全函数依赖于非码的任何一组属性R ∈BCNF R ∈3NF定理：如果R是BCNF模式，那么R也是3NF模式。证明：设R是BCNF，但不是3NF，那么R上必存在传递依赖X→Y，Y→A，这里X是R的码，A∈Y， Y→X。显然Y不包含R的码，否则Y→X也成立。因此Y→A违反了BCNF的定义，与假设R是BCNF矛盾。从而定理得证。[例5] 关系模式C（Cno，Cname，Pcno）C∈3NFC∈

PHP BC High Accuracy function library $right returns 1 * $scale the number of decimal digits *************************************************************************************** $a = 4.45; $b = 5.54;if (Bccomp ($a, $b, 2) = = 0) {} ************************************************************************ * Two high-precision numbers added *string bcadd (String $left _operand, String $right _operand [, int $scale]) * The number of decimal points

BC is the abbreviation for binary calculator. The arguments to the bc* function are the operands plus an optional [int scale], such as String Bcadd (String $left _operand, String $right _operand[, int $scale]), if scale is not provided , the default value of Bcscale is used. Here the large number is directly represented by a string of 0-9, and the result of the calculation is also a string.1 Bcadd-Add two h

1. About BCBC is a discretionary precision calculator language, usually under Linux as a calculator, easy to use. Equivalent to a calculator under Windows.2. Supported operatorsMain Mathematical Operations: + addition-Subtraction * Multiplication/division ^ exponent% remainderexpressions, logical operations, and mathematical functions are also supported.3. UseEnter BC under LinuxThen enter the operation, press ENTER to output the result of the operati

second normal form to the following table: Third paradigm (3NF) If there is no such code x, attribute group Y and non-primary attribute Z (zy) in the relational schema r In short, the third paradigm is to eliminate the dependencies between the keywords in the database, in the table above the second paradigm, you can see that jobdescription (Job responsibility) is determined by the job (position), then jobdescription depends on the job, It can be seen that this does not conform to the third no

Examples of common PHP mathematical functions and BC high-precision mathematical functions, high-precision mathematical functions This article provides examples of common PHP mathematical functions and BC high-precision mathematical functions. We will share this with you for your reference. The details are as follows: 1. Addition of any bcadd precision2. subtraction of any bcsub precision3. bcmul multiplica