Python built-in functions (55) -- round, python built-in 55 round
English document:
round(
Number[,
Ndigits])
Return the floating point value
NumberRounded
NdigitsDigits after the decimal point. If
NdigitsIs omitted, it
C # math. Round () Achieves Chinese rounding
Math. Round () in C # does not use the "Rounding" method. In fact, in VB, VBScript, C #, J #, T-SQL in the round function are using banker's rounding (Banker algorithm), namely:Four Homes, six in five
[BestCoder Round #7] hdu 4985 Little Pony and Permutation (find loop section ),
Little Pony and Permutation
Problem Description
As a unicorn, the ability of using magic is the distinguishing feature among other kind of pony. being familiar with
English documents:
round
(number[, ndigits])
Return The floating point value
number rounded to
ndigits digits after the decimal point. If
ndigits is omitted, it returns the
Round (X,[n]) rounding n reserved fractional number1, when n is not filled, the default is 0, that is, the decimal part is not retainedA, when the fractional part is only 0.5 when the integer part if it is an odd number in 1, if even the fractional
In python, round (x, [n]) uses round (x, [n]) to rounding n to retain the number of fractional parts
1. when n is not entered, the default value is 0, that is, the fractional part is not retained.A. When the decimal part is only 0.5, if the integer
Round (X,[n]) rounding n reserved fractional number
1, when n is not filled, the default is 0, that is, the decimal part is not retainedA, when the fractional part is only 0.5 when the integer part if it is an odd number in 1, if even the
This article is the official HTML5 training course for h5edu institutions, mainly introduces: JavaScript intensive tutorial--javascript Math (Arithmetic) object The function of the Math object is: Perform common arithmetic tasks. Round () How to use
Round () Rounding out the js Banker algorithm, round banker
First, let's guess the result returned by round (0.825, 2,
First, SQL server Returns 0.83
The returned result of js is 0.83. The code is as follows:
Var B = 0.825; alert (Math. round (B * 1
Round numbers
Time limit:2000 ms
Memory limit:65536 K
Total submissions:6051
Accepted:2050
Description
The cows, as you know, have no fingers or thumbs and thus are unable to play scissors,
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