Problem hidden
|This problem was hidden by Editorial Board member probably because it has incorrect language|version or invalid test data, or description of the problem is not clear.|

ABR0012 - Адил талт гурвалжин

Адил талт гурвалжны талын урт өгөгдөв. Гурвалжны талбайг ол.

Input

Талын урт болох бутархай тоо

Output

Талбайг илэрхийлэх бутархай тоог таслалын ард нэг оронгийн нарийвчлалтайгаар гаргана

Example

Input:
4

Output:
6.9

Нэмсэн:sw40
Огноо:2007-10-19
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
2020-09-21 15:33:47
import math
a = input()
a = float(a)
print("{:.1f}".format(math.sqrt(3)*a*a/4))
2013-12-13 03:16:35 D.SW13D038
hide comment ged bgaa
2013-09-13 07:51:09 mybrownj
ene comment dr bga bodoltiig n ustgaad uguuch admin
2013-08-30 06:58:12 Munkhzolboo
Hariugn bicheh hereggui baisan yum busaddaa bodoh shipi beldej uguul ongirch baigaa yum shig gadaad bodloguudiig haraasai comment deern bodson bodoltoo bichsen bodlogo gants ch bhgui ydaj admin ne hariug ni ustagachaasai
2013-01-13 10:56:20 Ankhbayar
#include <stdio.h>
#include <math.h>
#include <stdlib.h>
main(){
double a;
scanf("%lf", &a);
printf("%.1lf", (sqrt(3)*a*a/4));
return 0;
}
2013-01-12 03:35:40 Ankhbayar
dpuble gedeg ni yu ym anh surj bgaam aa
ymar uyd ashiglaag ym
2012-11-28 15:32:32 Dragon
2387g bodood uguh hun bnu
2012-10-11 14:37:07 Tso .
#include <stdio.h>
#include <math.h>
#include <stdlib.h>
main(){
double a;
scanf("%lf", &a);
printf("%.1lf", (sqrt(3)*a*a/4));
system("pause");
return 0;
}
2012-04-30 07:56:35 tomorbaatar
#include "stdio.h"
#include "math.h"
#include "stdlib.h"
int main (){
double a;
scanf("%lf",&a);
printf("%.1lf", (sqrt(3)*a*a/4));
system("pause");
return 0;
}
hey
2012-04-16 08:04:25 idermonh
#include <stdio.h>
#include <math.h>
#include <stdlib.h>
main(){
float r, m1, m2, G=0.00000000667;
scanf("%f%f%f", &r, &m1, &m2);
printf("%.1f", (G*m1*m2)/r*r);
system("pause");
return 0;
}
© Spoj.com. All Rights Reserved. Spoj uses Sphere Engine™ © by Sphere Research Labs.