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ABR0071A - Үелэх функц

a бодит тоо өгөгдөв. f(a)-гийн утгыг ол. f нь 1.5 үетэй бөгөөд [0, 1.5] хэрчим дээр: x3-2.25x фунцтэй давхцана.

Input

a бодит тоо өгөгдөнө

Output

f(a) утгыг таслалаас хойш нэг оронгийн нарийвчлалтайгаар олно

Example

Input:
3.1

Output:
-0.2

Нэмсэн:sw40
Огноо:2007-10-28
Хугацааны хязгаарлалт:1s
Эх кодын хэмжээний хязгаарлалт:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Програмчлалын хэлүүд:Бүгд дараах хэлүүдээс бусад: ASM32-GCC MAWK BC C-CLANG NCSHARP CPP14 CPP14-CLANG COBOL COFFEE D-CLANG D-DMD DART ELIXIR ERL FANTOM FORTH GOSU GRV JS-RHINO JS-MONKEY JULIA KTLN NIM NODEJS OBJC OBJC-CLANG OCT PERL6 PICO PROLOG PYPY PYPY3 PY_NBC R RACKET RUST CHICKEN SQLITE SWIFT UNLAMBDA VB.NET
Эх сурвалж:Абрамов С. А.

hide comments
2020-09-22 14:48:43
import math
a = input()
a = float(a)
a= a+1
x = math.fmod( a ,1.5)
x = x - 1
print ("{:.1f}".format(x**3-2.25*x))
2020-09-16 04:55:06
a level math problems leaked
2013-04-23 13:41:10 Iderbat
fmod gsn ene argiig zaasan E hicheel bn uu?
2013-04-21 09:54:55 buyandalai byambaa
#include<stdio.h>
#include<stdlib.h>
#include<math.h>
main(){
double a;
scanf("%lf",&a);
a=a+1;
double x=fmod(a,1.5);
x=x-1;
printf("%.1lf", x*x*x-2.25*x);
system("pause");
return 0;
}
2012-04-26 07:09:11 saikhanbayar
shinee nowshoo yu gd bbaan
2012-04-26 06:44:29 erhembayar
eniig bodson hun bnu

2012-04-26 06:41:16 shinebayar
bodsnoo tegd uldeegeech malnuudaa
2012-04-26 06:26:37 saikhanbayar
bi bodtson shyyyy smile
2012-04-26 06:05:45 bilguun
uuureee eniiig bodsonuu !
2012-04-16 08:25:34 enkhsaihan
moogi ueleh punkts a hissnuu andaa yavuuljah
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