ޥ
ߤޤ󡢹ȡftpʤɡˤ򤹤ä˺Ƥޤ...
MasaruBook Pro 730ڡ 0:43:32 HomePage:49356
٥륯åĥ
ؤ٤Τ26543211440̤ꡢ4Ȥؤʬ碌1440ߣ5760̤ꡣ
Ȥؤ٤礦2ƤޤäƤΤǤ20432162880̤
Ȥؤ٤礦礬0ˤʤäƤޤΤǤ2222124̤­
ؤ٤礦礬2ƤΤ264296̤
ʾ5760-2880+768-963552̤ꡣ
äꤳƤޤޤΤ٤ʤȵŤơƤ٤Ƥ¤Ӥơ5040-35521488̤ʤޤ
730ڡ 0:53:27 49357
ޥ
ꡢ˿ΩʤΤǤפΤۤ񤷤路ƤޤޤʤΤǡ礤ȥ󥸤ơꤷƤޤޤ

轵ηۤ򤪤ޤʢˡʰIJäΤȻפޤˤꡢ٤ߤƤޤˤϲƤޤm(__)m
MasaruBook Pro 730ڡ 0:57:43 HomePage:49358

ޥ͡줿Ǥ礦ʤ鲿Ǥ

פ֤˥ΡߥǼDz򤱤ΤǵɤǤ
7!-4C16!2+4C25!2^2-4C34!2^3+4C43!2^4=1488̤

¤٤礦ȤưȰʾ٤礦ƤΤ
򺹤롢Ȱʾ٤礦Τ⺹ƤޤäƤΤ(ʲƱ)
ȤäˤǤ٥륯åĥƱǤ礦
730ڡ 0:58:54 49359
٥륯åĥ
ǸΥߥ֤ƤȤơϲɤƤʬ餺ʤޤǽŪҤΤDz򤭤ޤ4ĤννŤʤͤΤˤޤ֤ޤ
ĿŪˤϺǶǰ֤äȻפޤ
⤷ƲñˡäꤹΤǤ礦
730ڡ 0:59:10 49360
٥륯åĥ
ޥ뤵
٤ƤΤǤ⤷ƤޤƤʤΤȿۤˤʤޤ̵ʤ褦ǤʤˤǤ
줫̵򤻤ĴˤʤäƤ
730ڡ 1:01:41 49361
EG
ǤȤޤ

ΤεϿ򸫤Ƥ顢λ20ǯĶƤ뤳Ȥ狼ޤ
ǯΥ֥󥯤Ȥǯ֥󥯤ȤӤǤ1999ǯ黲äƤäƤǤ͡
ۤĹϤä󶡤ƲäƤ뤳Ȥ˿鴶դޤ
꤬ȤޤΤ˵ĤƤ줫ĥäƤ

졼ԤΤˡޤʹäƤäʤ
730ڡ 1:15:49 49362
ǯ
ɤƤ褤ʬ餺褦Ȥ
ɡ
(8-1)!(7-1)!*4C1*2^1+(6-1)!*4C2*2^2-(5-1)!*4C3*2^3+(4-1)!*4C4*2^4=1488
ȤĤǤ
730ڡ 1:42:43 49363
Mr.ǥ
פü֤κʤa,¾׺ʤBB,CC,DD Ȥ
a,B,B,C,C,D,D¤٤뤳Ȥˤޤï⤬٤äƤ褤Ȥȡ7!/2!2!2!630̤
Τ
(C,D)٤礦οϡ6!/2!2!=180̤
BC(CD,DB)٤礦οϡ5!/2!=60̤
B,C,D٤礦οϡ424̤
ꡡB,C,Dؤ٤ʤοϡ
6303x1803x6024=246̤
a7ͤκüڤӱüξͤФʤʤΤ
2(6!/2!2!2!3x5!/2!2!3x4!/2!3!)=60 ׺ʤؤͤ
2^3x(246-60)=1488 ̤........Ȥޤ
ʥޥ뤵󡡤̵ʤ褦ǤʤˤǤ
730ڡ 9:37:30 49364
Ȥ
Basic
ͤa,b,c,d,e,f,g,hȤ
ؤ(1,2),(3,4),(5,6),(7,8)Ȥ

PRINT TIME$
FOR a=1 TO 1
FOR b=1 TO 8
if (a+b=3 and a*b=2) or (a+b=7 and a*b=12) or (a+b=11 and a*b=30) or (a+b=15 and a*b=56) then goto 70
FOR c=1 TO 8
if (b+c=3 and b*c=2) or (b+c=7 and b*c=12) or (b+c=11 and b*c=30) or (b+c=15 and b*c=56) then goto 60
FOR d=1 TO 8
if (c+d=3 and c*d=2) or (c+d=7 and c*d=12) or (c+d=11 and c*d=30) or (c+d=15 and c*d=56) then goto 50
FOR e=1 TO 8
if (d+e=3 and d*e=2) or (d+e=7 and d*e=12) or (d+e=11 and d*e=30) or (d+e=15 and d*e=56) then goto 40
FOR f=1 TO 8
if (e+f=3 and e*f=2) or (e+f=7 and e*f=12) or (e+f=11 and e*f=30) or (e+f=15 and e*f=56) then goto 30
FOR g=1 TO 8
if (f+g=3 and f*g=2) or (f+g=7 and f*g=12) or (f+g=11 and f*g=30) or (f+g=15 and f*g=56) then goto 20
FOR h=1 TO 8
if (g+h=3 and g*h=2) or (g+h=7 and g*h=12) or (g+h=11 and g*h=30) or (g+h=15 and g*h=56) or (h+a=3 and h*a=2) or (h+a=7 and h*a=12) or (h+a=11 and h*a=30) or (h+a=15 and h*a=56) then goto 10
IF a+b+c+d+e+f+g+h=36 AND a*b*c*d*e*f*g*h=40320 THEN LET s=s+1
10 next h
20 next g
30 next f
40 next e
50 next d
60 next c
70 next b
80 next a
PRINT s
PRINT TIME$
END

f9ơ1488()
˭ԡ 730ڡ 10:45:23 MAIL:fttnm528@ybb.ne.jp 49365
algebra
ABCDabcdƱե٥åȤ¤Фʤ褦ʱ߽ͤ롣
ABCDꤹ롣
ABCDδ֤4,0,0,0ΤȤ14456
ABCDδ֤3,1,1,0ΤȤ22488
ABCDδ֤2,2,0,0ΤȤ928450
ABCDδ֤2,1,1,1ΤȤ13452
ABCDδ֤1,1,1,1ΤȤ2
äơ(568850522)(41)!24861488(̤)
730ڡ 11:07:10 49366
̴
#49366algebra
׻򲿲ߥޤƱͤ˻ޤ
ιͤפ⤫ӤޤǤ񤷤ä
730ڡ 15:47:46 49367
ߤ
ݤ꤬ȯǤȤ줷Ǥ͡

ʤˣȣ᤬Υ
ʤˣȣ᤬Υ
ʤˣȣ᤬̤ˤ
ĤΣȡʸȾʸؤͤơĤȤ˹ͤޤ
ʤˡʤˤ˴ؤƤϺˣ١ʣ١ˤ̥ȤʤΤˤա

׻
ʤˤϺؤͤƣ̤ꡣ
ʤˤϺؤͤƣ̤ꡣ
ʤˤϣ̤
Τϰʾιסܣܣᣱ̤
730ڡ 16:54:43 49368
ʤ
פ֤Ǥ䤳Τ BASIC ߤޤ
730ڡ 17:37:41 MAIL:naka@sansu.org 49369
CE
Ȭѷ ABCDEFGH ĺͭʤ 4 ܤгˡ
ʬ AE ޤ 7 ̤ȡޤޤʤ 64 ̤ι 31 ̤ꤢꡢ
פ A ΰ֤dzؤгǷФ褦ʤ
ϳơ 642 ̤ꤢΤ 31481488 ̤Ȥޤ
730ڡ 19:51:53 49370
鯤ο
nȤؤα߽ǡ٤礦ؤkȤȤʤĿAn,kȤ롣
ΤϡA4,0

n礫夲Ƥ
-----
A1,0=0
A1,1=1
------
A2,0A1,1*2*12
A2,10
A2,2(2-1)!*2*2=4
------
A3,0=A2,0*4*3+A2,2*2*1=32
A3,1=A2,0*4*2+A2,2*8=48
A3,2=A2,2*6=24
A3,3=(3-1)!*2*2*2=16
-----
A4,0=A3,0*6*5+A3,1*2*5+A3,2*2*1=1488
//

桢ȴ䴪㤤ꡢ򷫤֤ޤ

731ʶ 0:10:47 49371
baLLjugglermoka
ˤϲ򤱤ޤϹäƤɷ׻ְ㤨ޤޤ
731ʶ 11:00:05 49372
ǯ
#49363˵ߥޤ2ϡݤǤ
׻Ǥ
(8-1)!-(7-1)!*4C1*2^1+(6-1)!*4C2*2^2-(5-1)!*4C3*2^3+(4-1)!*4C4*2^4=1488
Τʤ¤1ȤΤٹ礦2Ȥٹ礦3Ȥٹ礦4ȤȤٹ礦
ơξˡ߽✕ٹ礦ؤ✕˽ؤ
731ʶ 13:16:40 49373
SECOND
! 1 8 3 7 2 6 4 5 1No_ 1277
!1 ⶶ8 ƣ3ʴǡNo_ 1 No_ 1488
! ¼5 ⶶ7Ϣ³ץȡʲ򽽿BASC ǣá
!ƣ4 ¼6 2

DIM a(10),c$(8)
MAT READ a,c$
DATA 1,2,3,4,5,6,7,8,1,0 !12 34 56 78Ȥ
DATA 1,2,ƣ3,ƣ4,¼5,¼6,ⶶ7,ⶶ8
CALL perm20(2) !a(1)=a(9)=1 ꡣa(2)a(8) μ¼ P(7,7) ν

SUB perm20(k)
local i
IF k< 8 THEN
FOR i=k TO 8
swap a(k),a(i)
CALL perm20(k+1)
swap a(k),a(i)
NEXT i
ELSE !a(1)=1 ꡣ--- ġν P(2~8, 2~8) ---
IF a(2)=2 OR a(8)=2 THEN EXIT SUB
FOR j=2 TO 8
IF a(j)=3 AND (a(j+1)=4 OR a(j-1)=4) THEN EXIT SUB
IF a(j)=5 AND (a(j+1)=6 OR a(j-1)=6) THEN EXIT SUB
IF a(j)=7 AND (a(j+1)=8 OR a(j-1)=8) THEN EXIT SUB
NEXT j
LET a(10)=a(10)+1
MAT PRINT USING "! # # # # # # # # #No_#####" :a
CALL pattern
END IF
END SUB

SUB pattern
PRINT USING "!##### ##### #####" :c$(a(1)),c$(a(2)),c$(a(3))
PRINT USING "! ##### #####":c$(a(8)), c$(a(4))
PRINT USING "!##### ##### #####" :c$(a(7)),c$(a(6)),c$(a(5))
PRINT
END SUB
731ʶ 16:36:55 49374
ϺĹ
ޤ
ߤ󤵤ȹͤƱǤ
ϤιͤɤΤȤ԰¤ǤҤ׻ƤޤƷ׻ְ㤤λ
81ڡ 9:59:10 49375

ۤܤߤĤ֤
ⶶפꤹȹⶶʤʤ5̤ꡣФƤ줾˻Ĥʤ٤ʤ23åȤʬˡ31̤Ǥ뤳Ȥ夲31̤ФƤɤΥåȤˤɤؤƤ뤫3!ؤΤɤ餬ɤä˺¤Τ2^3ʤΤdzݤ碌1488̤ꡣ
81ڡ 19:16:56 49376
⡼ޥ
ʤ...
ɤΥץȾü...
줿ΤϤɤ⤿ޤäߤǤ ^^;v

ޤμ...
2ڥ...f(2)=2
3ڥ...f(3)=f(2)*4C2*2+3C1*(3!-f(2))*2=2*6*2+3*4*2=48ְäƤ褦ʤΤDZ ^^;;
4ڥ...f(4)=f(3)*6C2*2+4C1*3!*2=48*15*2+4*6*2=1488

г31ѥ...ޤȯǤ...^^;;
82 9:56:21 49377
M
Pythonꤷޤ

import random

fin =[]
for i in range(5000000):
l = [0,1,2,3,4,5,6,7]
a = 0
l.remove (a)
b = random.choice(l)
if b == 7or b==1:
continue
l.remove(b)
c = random.choice(l)
l.remove (c)
d = random.choice (l)
l.remove (d)
e= random.choice(l)
l.remove (e)
f= random.choice (l)
l.remove (f)
g= random.choice(l)
l.remove (g)
h= random.choice (l)
l.remove (h)
if abs(c-d)!= 1 and abs (e-f) !=1 and abs (g-h) != 1:
#print (a,b,c,d,e,f,g,h)
new_l = a*100000000+b*10000000+c*1000000+d*100000+10000+e*1000+f*100+g*10+h
#print (new_l)
fin.append(new_l)
num = set(fin)
print (len(num))
82 10:37:02 49378
kyorofumi
7!-6!x2x4+5!x2^2x4C2-4!x2^3x4C3+3!x2^4 = 1488
82 23:47:54 49383
ˤ
ޤĴ٤ޤݤְ㤨ޤ
Ķļˡ 83ʷ 0:57:20 49384
ֿء׾ι
ޥ뤵ꤷơͤΰ֤Ǿʬޤ
ȤϡŪ˼ޤǿޤ
ޤ֤ơ֤ޤѤäΤǡʤʤä֤Ȥ줺٤ФʤƤǤ
83ʷ 8:07:54 49385
ޤ륱
߱ˡޤƤǤȤޤ
ȸĤġΩǤäơ
ȤǡǤ裱Ǥ͡
85ʿ 12:10:17 49386
ޤ륱
ۤɥ᡼뤷ޤ֤ʤäΤǡץä㤤ޤ
ǡäǤΤǡ饤ʡĩ
ͤϡ0-34-7ɽ4ξؤȤߤʤ
ǣ飷ޤǤοΤ٤ƤνˤĤƤåƥȡ
žưΤ㤦Τǡ8dzäƴǤ

ruby -e 'p (0..7).to_a.permutation.map{|a|(0..7).map{|i|(a[i-1]-a[i])%4}.count(0)==0}.count(true)/8'

~󡢤ʾûϤʤʤʤ
85ʿ 18:47:26 49387
kyorofumi
äιǤ͡
86ڡ 2:59:26 49388
ޥ
ޤäޡŤޤ˺Ƥޤ...
iMac 86ڡ 12:47:06 HomePage:49389
Mr.ǥ
˺ƤDz
轵ʿ˿ˤˤ
86ڡ 14:22:48 49390
ֿء׾ι
ν̵꤬褦ʤΤǡ轵ʬץǤäƤߤޤRubyǤûϡޤ륱󤵤ˤϵڤФĤǤ

p [1,1,2,2,3,3,4,4].permutation.to_a.delete_if{|x|s=1;(0..7).each{|i|s*=(x[i]-x[(i+1)%8])};s==0}.size/8
87ʶ 8:15:47 49391
ֿء׾ι
#49391ɤޤäûǤޤ
p [1,1,2,2,3,3,4,4].permutation.to_a.delete_if{|x|(0..7).map{|i|x[i-1]-x[i]}.count(0)!=0}.size/8
87ʶ 12:01:22 49392