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import java.util.*;
public class Question438 {
¡¡public static void main(String[] args) {
¡¡¡¡List list = new ArrayList();
¡¡¡¡fill(0, new boolean[7], list);
¡¡¡¡System.out.println(list.size());
¡¡}
¡¡private static final void fill(int n, boolean[] patterns, List list) {
¡¡¡¡if (n >= patterns.length) {
¡¡¡¡¡¡String s1 = toString(new boolean[][]{{true, true, true, patterns[0]},
¡¡¡¡¡¡¡¡{true, true, true, patterns[1]},{true, true, true, patterns[2]},
¡¡¡¡¡¡¡¡{patterns[3], patterns[4], patterns[5], patterns[6]}});
¡¡¡¡¡¡if (!list.contains(s1)) list.add(s1);
¡¡¡¡¡¡String s2 = toString(new boolean[][]{{patterns[0], true, true, true},
¡¡¡¡¡¡¡¡{patterns[1], true, true, true},{patterns[2], true, true, true},
¡¡¡¡¡¡¡¡{patterns[3], patterns[4], patterns[5], patterns[6]}});
¡¡¡¡¡¡if (!list.contains(s2)) list.add(s2);
¡¡¡¡¡¡String s3 = toString(new boolean[][]{{patterns[0], patterns[1],
¡¡¡¡¡¡¡¡patterns[2], patterns[3]},{true, true, true, patterns[4]},
¡¡¡¡¡¡¡¡{true, true, true, patterns[5]},{true, true, true, patterns[6]}});
¡¡¡¡¡¡if (!list.contains(s3)) list.add(s3);
¡¡¡¡¡¡String s4 = toString(new boolean[][]{{patterns[0], patterns[1],
¡¡¡¡¡¡¡¡patterns[2], patterns[3]},{patterns[4], true, true, true},
¡¡¡¡¡¡¡¡{patterns[5], true, true, true},{patterns[6], true, true, true}});
¡¡¡¡¡¡if (!list.contains(s4)) list.add(s4);
¡¡¡¡¡¡return;
¡¡¡¡}
¡¡¡¡patterns[n] = false; fill(n+1, patterns, list);
¡¡¡¡patterns[n] = true; fill(n+1, patterns, list);
¡¡}
¡¡private static final String toString(boolean[][] matrix) {
¡¡¡¡StringBuffer sb = new StringBuffer();
¡¡¡¡for (int i = 0; i < matrix.length; ++i)
¡¡¡¡¡¡for (int j = 0; j < matrix[i].length; ++j) sb.append(matrix[i][j] ? "1" : "0");
¡¡¡¡return sb.toString();
¡¡}
}
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= 2^7 + (2^7 - 2^2) + (2^7 - 2^4 - 2^4 + 2) + (2^7 - 2^4 - 2^4 + 1)
= 4 * 2^7 - 4 * 2^4 - 2^2 + 3
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n(A) = n(B) = n(C) = n(D) = 2^7
n(A*B) = n(B*C) = n(C*D) = n(D*A) = 2^4
n(A*C) = n(B*D) = 2^2
n(A*B*C) = n(B*C*D) = n(C*D*A) = n(D*A*B) = 2^1
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+ (n(A*B*C) + n(B*C*D) + n(C*D*A) + n(D*A*B)) - n(A*B*C*D)
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>

int main()
{
unsigned intcount = 0;
unsigned inti;

for(i=0x0000; i<=0xFFFF; i++){
if((i&0xEEE0) == 0xEEE0){count++; continue;}
if((i&0x0EEE) == 0x0EEE){count++; continue;}
if((i&0x7770) == 0x7770){count++; continue;}
if((i&0x0777) == 0x0777){count++; continue;}
}

fprintf(stdout, "count = %d\n", count);
getchar();

return 0;
}
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j=0
(0..0xffff).each do |i|
¡¡¡¡j+=1 if(((i & 0xeee0) == 0xeee0) ||
¡¡¡¡¡¡¡¡¡¡¡¡((i & 0x7770) == 0x7770) ||
¡¡¡¡¡¡¡¡¡¡¡¡((i & 0x0eee) == 0x0eee) ||
¡¡¡¡¡¡¡¡¡¡¡¡((i & 0x0777) == 0x0777))
end
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Sub Macro1()
Cells(1, 1).Value = 0
Dim a(16) As Integer '1:(1,1), 2:(1,2), 3:(1,3), ..., 16:(4,4)
Call saiki(1, a())
End Sub
Sub saiki(ByVal n As Integer, ByRef a() As Integer)
Dim QX As Integer '0:3X3¤ÎÀµÊý·Á¤¬½ÐÍè¤Æ¤¤¤Ê¤¤, 1:3X3¤ÎÀµÊý·Á¤¬½ÐÍè¤Æ¤¤¤ë
Dim j1 As Integer, j2 As Integer, j3 As Integer, j4 As Integer
a(n) = 0
While a(n) <= 1 '0:ÅɤäƤ¤¤Ê¤¤, 1:ÅɤäƤ¤¤ë
If n < 16 Then
Call saiki(n + 1, a())
Else
QX = 0
j1 = 1
While QX = 0 And j1 <= 2
j2 = 1
While QX = 0 And j2 <= 2
QX = 1
j3 = j1
While QX And j3 <= j1 + 2
j4 = j2
While QX And j4 <= j2 + 2
If a(4 * (j3 - 1) + j4) Then
j4 = j4 + 1
Else
QX = 0
End If
Wend
j3 = j3 + 1
Wend
j2 = j2 + 1
Wend
j1 = j1 + 1
Wend
Cells(1, 1).Value = Cells(1, 1).Value + QX
End If
a(n) = a(n) + 1
Wend
End Sub
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