ޤ夢դޤ
2^7+2*2^6+3*2^5+4*2^4+5*2^3+6*2^2+7*2^1+8=502

Ǥ󤫤ʡ
͡ 615ڡ 0:09:50 MAIL:top-amateur@u01.gate01.com 27592
ȥȥ
סΥꥢ륿Ǥ
ܣܣܣܣܣܣܣᣱ
ʼ˸лԡ 615ڡ 0:11:18 27593
ߥƥ
#27592 ̤Ǥ͡







¡áġšơǡȡɡʡ

󤫤ƻϩ˹Ԥ硢Ĥ70ʤΤǡ12^7
󤫤ƻϩ˹Ԥ硢Ĥ60ʤΤǡ22^6
󤫤ƻϩ˹Ԥ硢Ĥ50ʤΤǡ32^5
ġ
äơ
12^722^632^542^452^362^272^182^0502.
615ڡ 0:11:59 27594
ߤ
ݡģᣱ̤ꡡ򤢤餫׻ǡ
ˤʤȤˡ̤ʤפ׻

ݡʣܣܣܣܣܣܣܣܣܣܣ
ᣱݣ
ᣵ̤
615ڡ 0:12:28 27595
Taro
ϤϱޤǹԤΤȹͤƤޤ()

#27592#27594Ʊͤ˲򤭤ޤ
615ڡ 0:13:24 27596
ڼ
⤤ǽ10ȡ90⤯ˤʤޤ
ʤΤϡ⤯Υ10ʲ10̤ʤΤǡ
ϡ512-10=502Ǥ
͡ 615ڡ 0:16:49 MAIL:iida@ae.keio.ac.jp 27597
ޥ
ȡꤷƤˡϡ

(2^10 - 20)2=502

äƤʴǤɤǤ礦
PowerBook G4 615ڡ 0:17:21 MAIL:masaru-y@sansu.org HomePage:27598
Melvy
̤ʤˤĤơɤޤ (뤤Ϥޤʤ) ʬࡥ

1024-(2^7+22^6+32^5+42^4+52^3+62^2+72+8+9+10+1)
=1024-522
=502

ǡƤ 522 äƤޤä櫓 ()쥹ߥ¿ġ
615ڡ 0:18:35 HomePage:رMelvy27599
kasama
import java.util.*;
public class Question505 {
private static int count = 0;
public static void main(String args[]) {
scan(0, 0, 0, new ArrayList());
System.out.println(count);
}
private static final void scan(int p, int x, int y, List list) {
list.add(new Integer(y));
if (p >= 100) {
for (int i =0; i < list.size()-1;++i)
if (((Integer) list.get(i)).intValue() == 20 &&
((Integer) list.get(i+1)).intValue() == 20) {
++count;
break;
}
return;
}
scan(p+10, x+10, y, new ArrayList(list));
scan(p+10, x, y+10, new ArrayList(list));
}
}
615ڡ 0:28:51 27600
إ饯쥹ԡ
#27599ȤޤäƱϤDz򤭤ޤ
軲̻ԡ 615ڡ 0:29:22 HomePage:ɥԥ27601
ä
ϤDz򤤤Ƥ顢󤬽񤭹ޤƤ
182746851643236421281
Ȥޤ

615ڡ 0:51:31 27602
տޤ񤤤
255+127+63+31+15+7+3+1=502ȽФͤϤǤ'x'ˡ
615ڡ 1:27:49 27603
Υܥ
#27592̤ꡣ
615ڡ 2:47:12 27604

Ϥ褦ޤ
ˤ⡢褦ʤΤǤޤ͡
αѤǤ
ӥå 615ڡ 6:12:33 HomePage:θ27605
fumio
Ϥ褦ޤ
615ڡ 7:54:25 27606
hidy
Ϥ褦ޤ
1024ƻ⤫ʤƵޤ
ñʤǤ͡
ʡ 615ڡ 8:52:17 HomePage:hidyλ27607
uchinyan
ϤϤ褦ޤϡ˻꤬ä褦ʵޤ
ޤ100m ʤΤϡ100/10 = 10ޤ ʤळȤʤΤǡνϡ10 * 10 ο̤鿿ؤгγʻˤʤޤ
ޤˡˤʤޤʤΤǡϡ2^10 ̤Ǥ줫顢֤ʬ̤ʤΤޤ
ޤ֤βĤνϡ֤ʬ̤ޤ󡣤ϡ10 + 1 = 11 ̤ꡣ
ˡĤ8Ĥνϡ֤ʬƻߤޤ뤫(ξ)̤ؾ夬뤫֤ʬ̤ޤ
ϡޤܤ̤˰ĸ餹ȤƱǤξ褮ʤ 1 ̤ơ2^9 -1 ̤ꡣ
äƵΤϡ2^10 - 11 - (2^9 - 1) = 2^9 - 10 = 512 - 10 = 502 ̤ˤʤޤ
ͥνȡ 615ڡ 9:03:59 MAIL:uchi@sco.bekkoame.ne.jp 27608
⡼ޥ
äȤǤ(^^;
ƻˡ
1*2^6+(1+2)*2^5+(1+2+3)*2^4+(1+2+3+4)*2^3+(1+2+3+4+5)*2^2+(1+2+3+4+5+6)*2+(1+2+3+4+5+6+7)*1+(1+2+3+4+5+6+7+8)=64+96+96+80+60+42+28+36=502

ǽ顢uchinyanΤ褦˹ͤǤ׻ְäΤʡʤäơ(^^;
615ڡ 11:41:27 MAIL:kennji72001@yahoo.co.jp 27609
»Ҥͺǭ
̤ˣ⤤ľɬ⤯ȹͤ
졢1̡²졢1̡1졢ò줫̤Τɤ餫2Σþ̤
++á᣷£ä٤ƣʾ
Ȥ󤷤ޤǤʤ
615ڡ 12:31:17 27610
uchinyan
ǼĤɤߤޤ

ޤ#27608ˡä­
伡ˡĤ8Ĥνϡ֤ʬƻߤޤ뤫(ξ)̤ؾ夬뤫֤ʬ̤ޤ
䤳ϡޤܤ̤˰ĸ餹ȤƱǤξ褮ʤ 1 ̤ơ2^9 -1 ̤ꡣ
ʬȻפޤ
ϡޤܰʬ̤ؤȰưΤǡ֤ޤܤ̤˰ĸ餹׾Ʊοˤʤޤ
ƤϡޤܰưĸΤǡ9 * 9 ֤ʬIJäΤˤʤꡢ
֤ʬ֤褮ʤ 1 ̤ơ2^9 -1 ̤פˤʤޤ

ơβˡǤ

#27592, #27593, #27594, #27596, #27602, #27604
֤ʬ褿ǡ֤ʬؤȾʤȤޤư롢Ȥܤơ
ܤ˰Ĥķ׻ˡǤ͡

#27595
ͤϡ#27608ƱȻפޤ#27608Ȥΰ㤤ϡ̤ɤ׻Ǥ礦
ϡƽޤǤξοܤ˿
(10C2 - 9C1) + (10C3 - 9C2) + (10C4 - 9C3) + (10C5 - 9C4) + (10C6 - 9C5) + (10C7 - 9C6) + (10C8 - 9C7) + (10C9 - 9C8) + (10C10 - 9C9)
ʤΤǤ
줫顢
(10C0 + 10C1 + 10C2 + 10C3 + 10C4 + 10C5 + 10C6 + 10C7 + 10C8 + 10C9 + 10C10)
- (9C0 + 9C1 + 9C2 + 9C3 + 9C4 + 9C5 + 9C6 + 9C7 + 9C8 + 9C9) - 10C1
ȤƤơȤäơ
2^10 - 2^9 - 10
ȤСϡ#27608Ǥ

(10C0 + 10C1 + 10C2 + 10C3 + 10C4 + 10C5 + 10C6 + 10C7 + 10C8 + 10C9 + 10C10)
- (9C0 + 9C1 + 9C2 + 9C3 + 9C4 + 9C5 + 9C6 + 9C7 + 9C8 + 9C9 + 10)
ȤƤơǽιȤäơ
1024 - (1 + 9 + 36 + 84 + 126 + 126 + 84 + 36 + 9 + 1 + 10)
ȤСϡ#27595ˤʤޤ

#27597
ʤۤɡϤޤʤήθȡ
ʤȤ⡢֤ʬΤޤܰĤ̤Τǡޤܤ˰ĸ餹Ʊοˤʤꡢ
9 * 9 ֤ʬΰ֤Ѥʤǡ֤ʬ̤ʤ 9 + 1 = 10 ̤ơ2^9 - 10 = 502 ̤ꡣ
äȴñǤ͡

#27598
2 dzȡ#27597Ʊ顢ȤϻפΤǤľܤμΰ̣Ϥ褯ʬʤǤ ^^;
2 dzΤ顢о1:1бʤ
#27599ʤɤ#27594ʤɤȤӤʬޤ#27599ʤɤιͻ⻲ȤƤ
٤֤ʬ̤زڤοȡ֤ʬؤȾʤȤޤưοȤϰפޤ
٤Τϡ֤ʬ̤زڤʤΤ⤢ޤ
ϡ֤ʬǻߤޤ 9 ̤ȡ֤ʬˤȤɤʤ 10 + 1 = 11 ̤ǡ 20 ̤ꡣ
ǡοϡ 2^10 ̤꤫餳κȾʬˤФ顢
(2^10 - 20)2=502
Ȥ櫓Ǥ礦
Ǥ⡢ä񤷤ʤϡ#27597ʤ

#27599, #27601
ʤۤɡ#27595#27608ƱβˡǤοη׻λιʤ̥СǤ͡
֤ʬ̤ؤȤޤȤܤϡ#27608˶᤯ܤ˷׻ˡȻפޤ
ʬη׻ΰ֤ʬ̤ؤޤο#27594ʤɤη׻Ȱפ򤤤Ǥ

#27600
ץࡣؼԤˤϡäȤǤ礦

#27603
ǤοɤǤ͡
255+127+63+31+15+7+3+1=502
μκդϡ
(2^6 - 10) + (2^7 - 1) + (2^6 - 1) + (2^5 - 1) + (2^4 - 1) + (2^3 - 1) + (2^2 - 1) + (2^1 - 1)
ȵ§ŪʤΤǡˤƤ⡢ꤽǤ͡

#27605
ˤ⡢褦ʤΤǤޤ͡
Τˤޤ͡

#27607
ͤϡ#27595, #27599, #27601, #27608Τɤ줫Τ褦Ǥ
ñʤǤ͡
#27597ʡ #27598ʡ

#27609
֤ʬ
ֺޤܤ̤롧1*2^6
ֺޤֺ̤ܰޤܤ̤롧(1+2)*2^5
ֺ黰ޤֺ̤ܰޤܤޤֺ̤ܰ黰ޤܤ̤롧(1+2+3)*2^4

ȷ׻Ƥ褦Ǥ
#27594ʤɤñʡ

#27610
ʤǤΤߤĤ֤Ǥ礦Ǥ⡢ƱͤˡǽʤǤ͡
(ɲ)
Ѥߤޤ󡣴ְ㤨褦Ǥ
βˡϡɡ#27594ʤɤƱˤʤ褦Ǥ
ͥνȡ 615ڡ 21:15:51 MAIL:uchi@sco.bekkoame.ne.jp 27611

ʻκɸ򺸲(0,0)(10,10)Ȥȡ

(0,0) ȯ 10ʤʤϡ2^10 ̤ꤢޤ
Τã(10,0) ˤʤΤϡ1̤
( 9,1) ˤʤΤ 10̤
( 8,2) ˤʤΤϡ9̤ ޤ
ĤΡ2^1020̤ϡãơ˿ʤߤޤ

ΤȤã鱦˿ʤȡ˿ʤ
礬ޤɤã⡢
ʤʤξοȡ˿ʤʤξο
ʤޤ

ϡ˿ʤοɤΤǡ
2^1020ˤΡ礦ȾʬȤȤˤʤޤ
ɡ2^1020ˡ2502̤

615ڡ 22:28:56 27612
uchinyan
#27612
ϡޥ뤵#27598μ#27611Τβ#27598ιࡢƱǤ͡
ͥνȡ 615ڡ 22:31:45 MAIL:uchi@sco.bekkoame.ne.jp 27613
jun
äȲ򤱤ޤ
616ʶ 2:35:04 MAIL:juun2000@hotmail.com 27614
ϥ饮㡼ƥ
Ϥ褦ޤ

MATLABץǤ
̶彣 616ʶ 9:02:40 HomePage:ĩ27615
???
Option Explicit
Sub Macro1()
Sheets("Sheet1").Select
Cells(1, 1).Value = 0
Range("A1").Select
Dim a(10) As Integer
Call saiki(1, a())
Range("A1").Select
End Sub
Sub saiki(ByVal n As Integer, ByRef a() As Integer)
a(n) = 1 '1:, 2:
While a(n) <= 2
If n < 10 Then
Call saiki(n + 1, a())
Else
Call check(a())
End If
a(n) = a(n) + 1
Wend
End Sub
Sub check(ByRef a() As Integer)
Dim x As Integer
Dim y As Integer
Dim tootta As Integer
Dim j As Integer
x = 0
y = 0
tootta = 0
j = 1
While tootta = 0 And j <= 10
If y = 2 And a(j) = 1 Then
tootta = j
Else
If a(j) = 1 Then
x = x + 1
Else
y = y + 1
End If
j = j + 1
End If
Wend
If tootta > 0 Then
Cells(1, 1).Value = Cells(1, 1).Value + 1
x = 0
y = 0
For j = 1 To 10
If a(j) = 1 Then
x = x + 1
Else
y = y + 1
End If
Cells(Cells(1, 1).Value, j + 1).Value = direction(a(j)) + ":(" + strr(x) + "," + strr(y) + ")"
If y = 2 And a(j) = 1 Then
Cells(Cells(1, 1).Value, j + 1).Value = Cells(Cells(1, 1).Value, j + 1).Value + "*"
End If
Next j
Range("B" & Cells(1, 1).Value).Select
End If
End Sub
Private Function direction(ByVal n As Integer) As String
If n = 1 Then
direction = ""
Else
direction = ""
End If
End Function
Private Function strr(ByVal n As Integer) As String
strr = Right(Str(n), Len(Str(n)) - 1)
End Function
617ڡ 9:16:21 27616